157270091769 has 48 divisors (see below), whose sum is σ = 273384883200. Its totient is φ = 85107487968.

The previous prime is 157270091753. The next prime is 157270091827. The reversal of 157270091769 is 967190072751.

It is a happy number.

157270091769 is a `hidden beast` number, since 1 + 572 + 7 + 0 + 0 + 9 + 1 + 7 + 69 = 666.

It is not a de Polignac number, because 157270091769 - 2⁴ = 157270091753 is a prime.

It is a super-2 number, since 2×157270091769² (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 (157270091729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3452262 + ... + 3497520.

It is an arithmetic number, because the mean of its divisors is an integer number (5695518400).

Almost surely, 2^157270091769 is an apocalyptic number.

157270091769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

157270091769 is a deficient number, since it is larger than the sum of its proper divisors (116114791431).

157270091769 is a wasteful number, since it uses less digits than its factorization.

157270091769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48194 (or 48191 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 54.

The spelling of 157270091769 in words is "one hundred fifty-seven billion, two hundred seventy million, ninety-one thousand, seven hundred sixty-nine".