157116197 has 24 divisors (see below), whose sum is σ = 192614400. Its totient is φ = 127534176.

The previous prime is 157116163. The next prime is 157116199. The reversal of 157116197 is 791611751.

It is not a de Polignac number, because 157116197 - 2⁶ = 157116133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157116197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157116199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122204 + ... + 123482.

It is an arithmetic number, because the mean of its divisors is an integer number (8025600).

Almost surely, 2^157116197 is an apocalyptic number.

It is an amenable number.

157116197 is a deficient number, since it is larger than the sum of its proper divisors (35498203).

157116197 is a wasteful number, since it uses less digits than its factorization.

157116197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1418 counting only the distinct ones).

The product of its digits is 13230, while the sum is 38.

The square root of 157116197 is about 12534.5999936177. The cubic root of 157116197 is about 539.6021269000.

The spelling of 157116197 in words is "one hundred fifty-seven million, one hundred sixteen thousand, one hundred ninety-seven".