16898742072 has 64 divisors (see below), whose sum is σ = 48455193600. Its totient is φ = 5451204960.

The previous prime is 16898742059. The next prime is 16898742109. The reversal of 16898742072 is 27024789861.

It is a happy number.

16898742072 is a `hidden beast` number, since 1 + 68 + 98 + 7 + 420 + 72 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255158 + ... + 1268549.

It is an arithmetic number, because the mean of its divisors is an integer number (757112400).

Almost surely, 2^16898742072 is an apocalyptic number.

16898742072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16898742072 is an abundant number, since it is smaller than the sum of its proper divisors (31556451528).

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

16898742072 is a wasteful number, since it uses less digits than its factorization.

16898742072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523753 (or 2523743 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 16898742072 in words is "sixteen billion, eight hundred ninety-eight million, seven hundred forty-two thousand, seventy-two".