164937966854 has 8 divisors (see below), whose sum is σ = 247864266048. Its totient is φ = 82316544840.

The previous prime is 164937966841. The next prime is 164937966857. The reversal of 164937966854 is 458669739461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164937966857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76217942 + ... + 76220105.

It is an arithmetic number, because the mean of its divisors is an integer number (30983033256).

Almost surely, 2^164937966854 is an apocalyptic number.

164937966854 is a deficient number, since it is larger than the sum of its proper divisors (82926299194).

164937966854 is a wasteful number, since it uses less digits than its factorization.

164937966854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152438590.

The product of its digits is 235146240, while the sum is 68.

The spelling of 164937966854 in words is "one hundred sixty-four billion, nine hundred thirty-seven million, nine hundred sixty-six thousand, eight hundred fifty-four".