16511427532 has 12 divisors (see below), whose sum is σ = 28900289376. Its totient is φ = 8254202000.

The previous prime is 16511427503. The next prime is 16511427533. The reversal of 16511427532 is 23572411561.

It is a super-2 number, since 2×16511427532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16511427491 and 16511427500.

It is not an unprimeable number, because it can be changed into a prime (16511427533) 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, 353188 + ... + 397195.

It is an arithmetic number, because the mean of its divisors is an integer number (2408357448).

Almost surely, 2^16511427532 is an apocalyptic number.

It is an amenable number.

16511427532 is a deficient number, since it is larger than the sum of its proper divisors (12388861844).

16511427532 is a wasteful number, since it uses less digits than its factorization.

16511427532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755888 (or 755886 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The spelling of 16511427532 in words is "sixteen billion, five hundred eleven million, four hundred twenty-seven thousand, five hundred thirty-two".