164795378959 has 4 divisors (see below), whose sum is σ = 164796213816. Its totient is φ = 164794544104.

The previous prime is 164795378953. The next prime is 164795378963. The reversal of 164795378959 is 959873597461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 164795378959 - 2⁷ = 164795378831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164795378891 and 164795378900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164795378953) 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, 62892 + ... + 577534.

It is an arithmetic number, because the mean of its divisors is an integer number (41199053454).

Almost surely, 2^164795378959 is an apocalyptic number.

164795378959 is a deficient number, since it is larger than the sum of its proper divisors (834857).

164795378959 is an equidigital number, since it uses as much as digits as its factorization.

164795378959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834856.

The product of its digits is 514382400, while the sum is 73.

The spelling of 164795378959 in words is "one hundred sixty-four billion, seven hundred ninety-five million, three hundred seventy-eight thousand, nine hundred fifty-nine".