157186866429 has 12 divisors (see below), whose sum is σ = 227252442300. Its totient is φ = 104696745984.

The previous prime is 157186866401. The next prime is 157186866433. The reversal of 157186866429 is 924668681751.

157186866429 is a `hidden beast` number, since 1 + 5 + 71 + 86 + 8 + 66 + 429 = 666.

157186866429 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 31000644900 + 126186221529 = 176070^2 + 355227^2 .

It is not a de Polignac number, because 157186866429 - 2⁸ = 157186866173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157186866929) 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, 7864324 + ... + 7884285.

It is an arithmetic number, because the mean of its divisors is an integer number (18937703525).

Almost surely, 2^157186866429 is an apocalyptic number.

It is an amenable number.

157186866429 is a deficient number, since it is larger than the sum of its proper divisors (70065575871).

157186866429 is a wasteful number, since it uses less digits than its factorization.

157186866429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15749724 (or 15749721 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 157186866429 in words is "one hundred fifty-seven billion, one hundred eighty-six million, eight hundred sixty-six thousand, four hundred twenty-nine".