16748280738 has 224 divisors, whose sum is σ = 45215573760. Its totient is φ = 4549426560.

The previous prime is 16748280727. The next prime is 16748280749. The reversal of 16748280738 is 83708284761.

It is a happy number.

16748280738 is a `hidden beast` number, since 16 + 7 + 482 + 80 + 73 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (16748280727) and next prime (16748280749).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 21013756 + ... + 21014552.

It is an arithmetic number, because the mean of its divisors is an integer number (201855240).

Almost surely, 2^16748280738 is an apocalyptic number.

16748280738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16748280738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22607786880).

16748280738 is an abundant number, since it is smaller than the sum of its proper divisors (28467293022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16748280738 is an equidigital number, since it uses as much as digits as its factorization.

16748280738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 16748280738 in words is "sixteen billion, seven hundred forty-eight million, two hundred eighty thousand, seven hundred thirty-eight".