164618584923 has 96 divisors (see below), whose sum is σ = 249192007680. Its totient is φ = 96510735360.

The previous prime is 164618584909. The next prime is 164618584927. The reversal of 164618584923 is 329485816461.

It is not a de Polignac number, because 164618584923 - 2⁶ = 164618584859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164618584927) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 525937815 + ... + 525938127.

It is an arithmetic number, because the mean of its divisors is an integer number (2595750080).

Almost surely, 2^164618584923 is an apocalyptic number.

164618584923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164618584923 is a deficient number, since it is larger than the sum of its proper divisors (84573422757).

164618584923 is a wasteful number, since it uses less digits than its factorization.

164618584923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 776 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 164618584923 in words is "one hundred sixty-four billion, six hundred eighteen million, five hundred eighty-four thousand, nine hundred twenty-three".