164442803364 has 36 divisors (see below), whose sum is σ = 475056988224. Its totient is φ = 46983658032.

The previous prime is 164442803351. The next prime is 164442803383. The reversal of 164442803364 is 463308244461.

164442803364 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 4 + 280 + 3 + 364 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×164442803364² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326275152 + ... + 326275655.

Almost surely, 2^164442803364 is an apocalyptic number.

164442803364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164442803364 is an abundant number, since it is smaller than the sum of its proper divisors (310614184860).

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

164442803364 is a wasteful number, since it uses less digits than its factorization.

164442803364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652550824 (or 652550819 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 164442803364 in words is "one hundred sixty-four billion, four hundred forty-two million, eight hundred three thousand, three hundred sixty-four".