164894563376 has 20 divisors (see below), whose sum is σ = 321599004144. Its totient is φ = 81901272000.

The previous prime is 164894563333. The next prime is 164894563409. The reversal of 164894563376 is 673365498461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34123115 + ... + 34127946.

Almost surely, 2^164894563376 is an apocalyptic number.

164894563376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164894563376 is a deficient number, since it is larger than the sum of its proper divisors (156704440768).

164894563376 is a wasteful number, since it uses less digits than its factorization.

164894563376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68251220 (or 68251214 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 62.

The spelling of 164894563376 in words is "one hundred sixty-four billion, eight hundred ninety-four million, five hundred sixty-three thousand, three hundred seventy-six".