16898731964 has 12 divisors (see below), whose sum is σ = 29574647088. Its totient is φ = 8448832800.

The previous prime is 16898731963. The next prime is 16898731991. The reversal of 16898731964 is 46913789861.

It is a super-2 number, since 2×16898731964² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16898731897 and 16898731906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16898731963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57152 + ... + 192519.

It is an arithmetic number, because the mean of its divisors is an integer number (2464553924).

Almost surely, 2^16898731964 is an apocalyptic number.

It is an amenable number.

16898731964 is a deficient number, since it is larger than the sum of its proper divisors (12675915124).

16898731964 is a wasteful number, since it uses less digits than its factorization.

16898731964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266596 (or 266594 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The spelling of 16898731964 in words is "sixteen billion, eight hundred ninety-eight million, seven hundred thirty-one thousand, nine hundred sixty-four".