164064275377 has 4 divisors (see below), whose sum is σ = 164393062000. Its totient is φ = 163735488756.

The previous prime is 164064275369. The next prime is 164064275381. The reversal of 164064275377 is 773572460461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164064275377 - 2³ = 164064275369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164064275327) 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, 164392563 + ... + 164393560.

It is an arithmetic number, because the mean of its divisors is an integer number (41098265500).

Almost surely, 2^164064275377 is an apocalyptic number.

It is an amenable number.

164064275377 is a deficient number, since it is larger than the sum of its proper divisors (328786623).

164064275377 is an equidigital number, since it uses as much as digits as its factorization.

164064275377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328786622.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 164064275377 in words is "one hundred sixty-four billion, sixty-four million, two hundred seventy-five thousand, three hundred seventy-seven".