16576494012 has 72 divisors (see below), whose sum is σ = 46225561200. Its totient is φ = 4976052480.

The previous prime is 16576493963. The next prime is 16576494017. The reversal of 16576494012 is 21049467561.

It is a super-2 number, since 2×16576494012² (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 (16576494017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412762 + ... + 451137.

Almost surely, 2^16576494012 is an apocalyptic number.

16576494012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16576494012 is an abundant number, since it is smaller than the sum of its proper divisors (29649067188).

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

16576494012 is a wasteful number, since it uses less digits than its factorization.

16576494012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863963 (or 863958 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

It can be divided in two parts, 1657649 and 4012, that added together give a palindrome (1661661).

The spelling of 16576494012 in words is "sixteen billion, five hundred seventy-six million, four hundred ninety-four thousand, twelve".