157106677191 has 4 divisors (see below), whose sum is σ = 209475569592. Its totient is φ = 104737784792.

The previous prime is 157106677187. The next prime is 157106677213. The reversal of 157106677191 is 191776601751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157106677191 - 2² = 157106677187 is a prime.

It is a super-3 number, since 3×157106677191³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157106677151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26184446196 + ... + 26184446201.

It is an arithmetic number, because the mean of its divisors is an integer number (52368892398).

Almost surely, 2^157106677191 is an apocalyptic number.

157106677191 is a deficient number, since it is larger than the sum of its proper divisors (52368892401).

157106677191 is an equidigital number, since it uses as much as digits as its factorization.

157106677191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52368892400.

The product of its (nonzero) digits is 555660, while the sum is 51.

The spelling of 157106677191 in words is "one hundred fifty-seven billion, one hundred six million, six hundred seventy-seven thousand, one hundred ninety-one".