164935438970 has 32 divisors (see below), whose sum is σ = 307160709120. Its totient is φ = 63691001920.

The previous prime is 164935438933. The next prime is 164935439021. The reversal of 164935438970 is 79834539461.

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, 2528789 + ... + 2593191.

It is an arithmetic number, because the mean of its divisors is an integer number (9598772160).

Almost surely, 2^164935438970 is an apocalyptic number.

164935438970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164935438970 is a deficient number, since it is larger than the sum of its proper divisors (142225270150).

164935438970 is a wasteful number, since it uses less digits than its factorization.

164935438970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73270.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 164935438970 in words is "one hundred sixty-four billion, nine hundred thirty-five million, four hundred thirty-eight thousand, nine hundred seventy".