156346864784 has 20 divisors (see below), whose sum is σ = 330460419120. Its totient is φ = 71066756640.

The previous prime is 156346864759. The next prime is 156346864801. The reversal of 156346864784 is 487468643651.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444167054 + ... + 444167405.

It is an arithmetic number, because the mean of its divisors is an integer number (16523020956).

Almost surely, 2^156346864784 is an apocalyptic number.

It is an amenable number.

156346864784 is an abundant number, since it is smaller than the sum of its proper divisors (174113554336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156346864784 is a wasteful number, since it uses less digits than its factorization.

156346864784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888334478 (or 888334472 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 62.

The spelling of 156346864784 in words is "one hundred fifty-six billion, three hundred forty-six million, eight hundred sixty-four thousand, seven hundred eighty-four".