157116898 has 4 divisors (see below), whose sum is σ = 235675350. Its totient is φ = 78558448.

The previous prime is 157116881. The next prime is 157116899. The reversal of 157116898 is 898611751.

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

It can be written as a sum of positive squares in only one way, i.e., 135559449 + 21557449 = 11643^2 + 4643^2 .

It is not an unprimeable number, because it can be changed into a prime (157116899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39279223 + ... + 39279226.

Almost surely, 2^157116898 is an apocalyptic number.

157116898 is a deficient number, since it is larger than the sum of its proper divisors (78558452).

157116898 is an equidigital number, since it uses as much as digits as its factorization.

157116898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78558451.

The product of its digits is 120960, while the sum is 46.

The square root of 157116898 is about 12534.6279561860. The cubic root of 157116898 is about 539.6029294070.

The spelling of 157116898 in words is "one hundred fifty-seven million, one hundred sixteen thousand, eight hundred ninety-eight".