156677712494 has 8 divisors (see below), whose sum is σ = 235952890488. Its totient is φ = 78026749000.

The previous prime is 156677712473. The next prime is 156677712523. The reversal of 156677712494 is 494217776651.

156677712494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156052997 + ... + 156054000.

It is an arithmetic number, because the mean of its divisors is an integer number (29494111311).

Almost surely, 2^156677712494 is an apocalyptic number.

156677712494 is a deficient number, since it is larger than the sum of its proper divisors (79275177994).

156677712494 is a wasteful number, since it uses less digits than its factorization.

156677712494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312107250.

The product of its digits is 17781120, while the sum is 59.

The spelling of 156677712494 in words is "one hundred fifty-six billion, six hundred seventy-seven million, seven hundred twelve thousand, four hundred ninety-four".