164654679558 has 16 divisors (see below), whose sum is σ = 330675790896. Its totient is φ = 54657154560.

The previous prime is 164654679529. The next prime is 164654679569. The reversal of 164654679558 is 855976456461.

It is a super-2 number, since 2×164654679558² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 56933091 + ... + 56935982.

It is an arithmetic number, because the mean of its divisors is an integer number (20667236931).

Almost surely, 2^164654679558 is an apocalyptic number.

164654679558 is an abundant number, since it is smaller than the sum of its proper divisors (166021111338).

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

164654679558 is a wasteful number, since it uses less digits than its factorization.

164654679558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113869319.

The product of its digits is 217728000, while the sum is 66.

The spelling of 164654679558 in words is "one hundred sixty-four billion, six hundred fifty-four million, six hundred seventy-nine thousand, five hundred fifty-eight".