156764328636423 has 4 divisors (see below), whose sum is σ = 209019104848568. Its totient is φ = 104509552424280.

The previous prime is 156764328636413. The next prime is 156764328636449. The reversal of 156764328636423 is 324636823467651.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 156764328636423 - 2⁶ = 156764328636359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156764328636413) 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, 26127388106068 + ... + 26127388106073.

It is an arithmetic number, because the mean of its divisors is an integer number (52254776212142).

Almost surely, 2^{156764328636423} is an apocalyptic number.

156764328636423 is a deficient number, since it is larger than the sum of its proper divisors (52254776212145).

156764328636423 is an equidigital number, since it uses as much as digits as its factorization.

156764328636423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52254776212144.

The product of its digits is 627056640, while the sum is 66.

The spelling of 156764328636423 in words is "one hundred fifty-six trillion, seven hundred sixty-four billion, three hundred twenty-eight million, six hundred thirty-six thousand, four hundred twenty-three".