16280697832 has 32 divisors (see below), whose sum is σ = 34891372800. Its totient is φ = 6976609344.

The previous prime is 16280697809. The next prime is 16280697833. The reversal of 16280697832 is 23879608261.

It is a super-2 number, since 2×16280697832² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16280697832.

It is not an unprimeable number, because it can be changed into a prime (16280697833) 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, 782638 + ... + 803170.

It is an arithmetic number, because the mean of its divisors is an integer number (1090355400).

Almost surely, 2^16280697832 is an apocalyptic number.

It is an amenable number.

16280697832 is an abundant number, since it is smaller than the sum of its proper divisors (18610674968).

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

16280697832 is a wasteful number, since it uses less digits than its factorization.

16280697832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34705 (or 34701 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 16280697832 in words is "sixteen billion, two hundred eighty million, six hundred ninety-seven thousand, eight hundred thirty-two".