156844669999948 has 18 divisors (see below), whose sum is σ = 319290935357436. Its totient is φ = 67219144285608.

The previous prime is 156844669999931. The next prime is 156844669999949. The reversal of 156844669999948 is 849999966448651.

It is a self number, because there is not a number n which added to its sum of digits gives 156844669999948.

It is not an unprimeable number, because it can be changed into a prime (156844669999949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400113953886 + ... + 400113954277.

Almost surely, 2^{156844669999948} is an apocalyptic number.

It is an amenable number.

156844669999948 is an abundant number, since it is smaller than the sum of its proper divisors (162446265357488).

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

156844669999948 is a wasteful number, since it uses less digits than its factorization.

156844669999948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800227908181 (or 800227908172 counting only the distinct ones).

The product of its digits is 261213880320, while the sum is 97.

The spelling of 156844669999948 in words is "one hundred fifty-six trillion, eight hundred forty-four billion, six hundred sixty-nine million, nine hundred ninety-nine thousand, nine hundred forty-eight".