16257898416 has 80 divisors (see below), whose sum is σ = 45636285440. Its totient is φ = 4968449280.

The previous prime is 16257898411. The next prime is 16257898463. The reversal of 16257898416 is 61489875261.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (16257898411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259255 + ... + 315798.

It is an arithmetic number, because the mean of its divisors is an integer number (570453568).

Almost surely, 2^16257898416 is an apocalyptic number.

16257898416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16257898416 is an abundant number, since it is smaller than the sum of its proper divisors (29378387024).

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

16257898416 is a wasteful number, since it uses less digits than its factorization.

16257898416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575114 (or 575108 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 16257898416 in words is "sixteen billion, two hundred fifty-seven million, eight hundred ninety-eight thousand, four hundred sixteen".