16402477960 has 32 divisors (see below), whose sum is σ = 40260628800. Its totient is φ = 5964537280.

The previous prime is 16402477943. The next prime is 16402477961. The reversal of 16402477960 is 6977420461.

It is a self number, because there is not a number n which added to its sum of digits gives 16402477960.

It is not an unprimeable number, because it can be changed into a prime (16402477961) 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, 18638740 + ... + 18639619.

It is an arithmetic number, because the mean of its divisors is an integer number (1258144650).

Almost surely, 2^16402477960 is an apocalyptic number.

16402477960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16402477960 is an abundant number, since it is smaller than the sum of its proper divisors (23858150840).

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

16402477960 is a wasteful number, since it uses less digits than its factorization.

16402477960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37278381 (or 37278377 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 16402477960 in words is "sixteen billion, four hundred two million, four hundred seventy-seven thousand, nine hundred sixty".