16256737488 has 40 divisors (see below), whose sum is σ = 42788966688. Its totient is φ = 5316668032.

The previous prime is 16256737487. The next prime is 16256737493. The reversal of 16256737488 is 88473765261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16256737487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3192570 + ... + 3197657.

Almost surely, 2^16256737488 is an apocalyptic number.

It is an amenable number.

16256737488 is an abundant number, since it is smaller than the sum of its proper divisors (26532229200).

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

16256737488 is a wasteful number, since it uses less digits than its factorization.

16256737488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390291 (or 6390285 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 16256737488 in words is "sixteen billion, two hundred fifty-six million, seven hundred thirty-seven thousand, four hundred eighty-eight".