16397164770 has 32 divisors (see below), whose sum is σ = 44975081088. Its totient is φ = 3747923328.

The previous prime is 16397164747. The next prime is 16397164781. The reversal of 16397164770 is 7746179361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39040659 + ... + 39041078.

It is an arithmetic number, because the mean of its divisors is an integer number (1405471284).

Almost surely, 2^16397164770 is an apocalyptic number.

16397164770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16397164770 is an abundant number, since it is smaller than the sum of its proper divisors (28577916318).

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

16397164770 is a wasteful number, since it uses less digits than its factorization.

16397164770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78081754.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 16397164770 in words is "sixteen billion, three hundred ninety-seven million, one hundred sixty-four thousand, seven hundred seventy".