157616193 has 12 divisors (see below), whose sum is σ = 244466160. Its totient is φ = 90066312.

The previous prime is 157616161. The next prime is 157616201. The reversal of 157616193 is 391616751.

It is a happy number.

It is not a de Polignac number, because 157616193 - 2⁵ = 157616161 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (157616293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535963 + ... + 536256.

It is an arithmetic number, because the mean of its divisors is an integer number (20372180).

Almost surely, 2^157616193 is an apocalyptic number.

It is an amenable number.

157616193 is a deficient number, since it is larger than the sum of its proper divisors (86849967).

157616193 is a wasteful number, since it uses less digits than its factorization.

157616193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072236 (or 1072229 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 157616193 is about 12554.5287844666. The cubic root of 157616193 is about 540.1739186025.

The spelling of 157616193 in words is "one hundred fifty-seven million, six hundred sixteen thousand, one hundred ninety-three".