16751940480 has 640 divisors, whose sum is σ = 67579855200. Its totient is φ = 3917168640.

The previous prime is 16751940479. The next prime is 16751940481. The reversal of 16751940480 is 8404915761.

16751940480 is a `hidden beast` number, since 16 + 7 + 519 + 40 + 4 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (16751940479) and next prime (16751940481).

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16751940481) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16536454 + ... + 16537466.

Almost surely, 2^16751940480 is an apocalyptic number.

16751940480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16751940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33789927600).

16751940480 is an abundant number, since it is smaller than the sum of its proper divisors (50827914720).

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

16751940480 is a wasteful number, since it uses less digits than its factorization.

16751940480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 16751940480 in words is "sixteen billion, seven hundred fifty-one million, nine hundred forty thousand, four hundred eighty".