157166511937 has 2 divisors, whose sum is σ = 157166511938. Its totient is φ = 157166511936.

The previous prime is 157166511899. The next prime is 157166512021. The reversal of 157166511937 is 739115661751.

157166511937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152774666496 + 4391845441 = 390864^2 + 66271^2 .

It is an emirp because it is prime and its reverse (739115661751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157166511937 - 2²³ = 157158123329 is a prime.

It is not a weakly prime, because it can be changed into another prime (157166511037) 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 as a sum of consecutive naturals, namely, 78583255968 + 78583255969.

It is an arithmetic number, because the mean of its divisors is an integer number (78583255969).

Almost surely, 2^157166511937 is an apocalyptic number.

It is an amenable number.

157166511937 is a deficient number, since it is larger than the sum of its proper divisors (1).

157166511937 is an equidigital number, since it uses as much as digits as its factorization.

157166511937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 52.

The spelling of 157166511937 in words is "one hundred fifty-seven billion, one hundred sixty-six million, five hundred eleven thousand, nine hundred thirty-seven".