157707991195 has 8 divisors (see below), whose sum is σ = 189811162944. Its totient is φ = 125792010624.

The previous prime is 157707991187. The next prime is 157707991201. The reversal of 157707991195 is 591199707751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157707991195 - 2³ = 157707991187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46795939 + ... + 46799308.

It is an arithmetic number, because the mean of its divisors is an integer number (23726395368).

Almost surely, 2^157707991195 is an apocalyptic number.

157707991195 is a deficient number, since it is larger than the sum of its proper divisors (32103171749).

157707991195 is an equidigital number, since it uses as much as digits as its factorization.

157707991195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93595589.

The product of its (nonzero) digits is 6251175, while the sum is 61.

The spelling of 157707991195 in words is "one hundred fifty-seven billion, seven hundred seven million, nine hundred ninety-one thousand, one hundred ninety-five".