16286531428 has 24 divisors (see below), whose sum is σ = 29493938880. Its totient is φ = 7859876640.

The previous prime is 16286531413. The next prime is 16286531467. The reversal of 16286531428 is 82413568261.

It is a super-2 number, since 2×16286531428² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357975 + ... + 400897.

It is an arithmetic number, because the mean of its divisors is an integer number (1228914120).

Almost surely, 2^16286531428 is an apocalyptic number.

It is an amenable number.

16286531428 is a deficient number, since it is larger than the sum of its proper divisors (13207407452).

16286531428 is a wasteful number, since it uses less digits than its factorization.

16286531428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46227 (or 46225 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 16286531428 in words is "sixteen billion, two hundred eighty-six million, five hundred thirty-one thousand, four hundred twenty-eight".