164921707483 has 32 divisors (see below), whose sum is σ = 187376426496. Its totient is φ = 144013275648.

The previous prime is 164921707469. The next prime is 164921707507. The reversal of 164921707483 is 384707129461.

It is a happy number.

It is not a de Polignac number, because 164921707483 - 2⁵ = 164921707451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164921707483.

It is not an unprimeable number, because it can be changed into a prime (164921707403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20567491 + ... + 20575507.

It is an arithmetic number, because the mean of its divisors is an integer number (5855513328).

Almost surely, 2^164921707483 is an apocalyptic number.

164921707483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164921707483 is a deficient number, since it is larger than the sum of its proper divisors (22454719013).

164921707483 is a wasteful number, since it uses less digits than its factorization.

164921707483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 164921707483 in words is "one hundred sixty-four billion, nine hundred twenty-one million, seven hundred seven thousand, four hundred eighty-three".