157986036969 has 16 divisors (see below), whose sum is σ = 215925758400. Its totient is φ = 102693782016.

The previous prime is 157986036953. The next prime is 157986037037. The reversal of 157986036969 is 969630689751.

157986036969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157986036969 - 2⁴ = 157986036953 is a prime.

It is a super-2 number, since 2×157986036969² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157986036869) 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 15 ways as a sum of consecutive naturals, for example, 1002784 + ... + 1149585.

It is an arithmetic number, because the mean of its divisors is an integer number (13495359900).

Almost surely, 2^157986036969 is an apocalyptic number.

It is an amenable number.

157986036969 is a deficient number, since it is larger than the sum of its proper divisors (57939721431).

157986036969 is a wasteful number, since it uses less digits than its factorization.

157986036969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152984.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 157986036969 in words is "one hundred fifty-seven billion, nine hundred eighty-six million, thirty-six thousand, nine hundred sixty-nine".