16491024472 has 32 divisors (see below), whose sum is σ = 34746979680. Its totient is φ = 7280317440.

The previous prime is 16491024463. The next prime is 16491024479. The reversal of 16491024472 is 27442019461.

It is a super-2 number, since 2×16491024472² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16491024479) 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, 3444729 + ... + 3449512.

It is an arithmetic number, because the mean of its divisors is an integer number (1085843115).

Almost surely, 2^16491024472 is an apocalyptic number.

It is an amenable number.

16491024472 is an abundant number, since it is smaller than the sum of its proper divisors (18255955208).

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

16491024472 is a wasteful number, since it uses less digits than its factorization.

16491024472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894283 (or 6894279 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 16491024472 in words is "sixteen billion, four hundred ninety-one million, twenty-four thousand, four hundred seventy-two".