156934381823 has 8 divisors (see below), whose sum is σ = 161465236992. Its totient is φ = 152418757536.

The previous prime is 156934381819. The next prime is 156934381853. The reversal of 156934381823 is 328183439651.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156934381823 - 2² = 156934381819 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 (156934381853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786815 + ... + 3828032.

It is an arithmetic number, because the mean of its divisors is an integer number (20183154624).

Almost surely, 2^156934381823 is an apocalyptic number.

156934381823 is a deficient number, since it is larger than the sum of its proper divisors (4530855169).

156934381823 is an equidigital number, since it uses as much as digits as its factorization.

156934381823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615441.

The product of its digits is 3732480, while the sum is 53.

The spelling of 156934381823 in words is "one hundred fifty-six billion, nine hundred thirty-four million, three hundred eighty-one thousand, eight hundred twenty-three".