16738140 has 48 divisors (see below), whose sum is σ = 48384000. Its totient is φ = 4319040.

The previous prime is 16738121. The next prime is 16738147. The reversal of 16738140 is 4183761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16738098 and 16738107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16738147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^16738140 is an apocalyptic number.

16738140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16738140 is an abundant number, since it is smaller than the sum of its proper divisors (31645860).

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

16738140 is a wasteful number, since it uses less digits than its factorization.

16738140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042 (or 9040 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16738140 is about 4091.2271997531. The cubic root of 16738140 is about 255.8010946820.

The spelling of 16738140 in words is "sixteen million, seven hundred thirty-eight thousand, one hundred forty".