164433606620 has 24 divisors (see below), whose sum is σ = 345948878688. Its totient is φ = 65651860800.

The previous prime is 164433606599. The next prime is 164433606731. The reversal of 164433606620 is 26606334461.

It is a super-3 number, since 3×164433606620³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7587776 + ... + 7609415.

It is an arithmetic number, because the mean of its divisors is an integer number (14414536612).

Almost surely, 2^164433606620 is an apocalyptic number.

164433606620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164433606620 is an abundant number, since it is smaller than the sum of its proper divisors (181515272068).

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

164433606620 is a wasteful number, since it uses less digits than its factorization.

164433606620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15197741 (or 15197739 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 164433606620 in words is "one hundred sixty-four billion, four hundred thirty-three million, six hundred six thousand, six hundred twenty".