156915634149 has 12 divisors (see below), whose sum is σ = 232184109612. Its totient is φ = 102058948800.

The previous prime is 156915634133. The next prime is 156915634159. The reversal of 156915634149 is 941436519651.

156915634149 is a `hidden beast` number, since 1 + 5 + 69 + 1 + 563 + 4 + 14 + 9 = 666.

156915634149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35487777924 + 121427856225 = 188382^2 + 348465^2 .

It is not a de Polignac number, because 156915634149 - 2⁴ = 156915634133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156915634095 and 156915634104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156915634129) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 212622442 + ... + 212623179.

It is an arithmetic number, because the mean of its divisors is an integer number (19348675801).

Almost surely, 2^156915634149 is an apocalyptic number.

It is an amenable number.

156915634149 is a deficient number, since it is larger than the sum of its proper divisors (75268475463).

156915634149 is a wasteful number, since it uses less digits than its factorization.

156915634149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425245668 (or 425245665 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 156915634149 in words is "one hundred fifty-six billion, nine hundred fifteen million, six hundred thirty-four thousand, one hundred forty-nine".