164863606005 has 96 divisors (see below), whose sum is σ = 344527223040. Its totient is φ = 71243504640.

The previous prime is 164863605997. The next prime is 164863606027. The reversal of 164863606005 is 500606368461.

164863606005 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 6 + 36 + 0 + 600 + 5 = 666.

It is not a de Polignac number, because 164863606005 - 2³ = 164863605997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2729209 + ... + 2788961.

It is an arithmetic number, because the mean of its divisors is an integer number (3588825240).

Almost surely, 2^164863606005 is an apocalyptic number.

164863606005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164863606005 is an abundant number, since it is smaller than the sum of its proper divisors (179663617035).

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

164863606005 is a wasteful number, since it uses less digits than its factorization.

164863606005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60251 (or 60248 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 164863606005 in words is "one hundred sixty-four billion, eight hundred sixty-three million, six hundred six thousand, five".