157161716 has 6 divisors (see below), whose sum is σ = 275033010. Its totient is φ = 78580856.

The previous prime is 157161679. The next prime is 157161727. The reversal of 157161716 is 617161751.

157161716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 113337316 + 43824400 = 10646^2 + 6620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19645211 + ... + 19645218.

It is an arithmetic number, because the mean of its divisors is an integer number (45838835).

Almost surely, 2^157161716 is an apocalyptic number.

It is an amenable number.

157161716 is a deficient number, since it is larger than the sum of its proper divisors (117871294).

157161716 is a wasteful number, since it uses less digits than its factorization.

157161716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39290433 (or 39290431 counting only the distinct ones).

The product of its digits is 8820, while the sum is 35.

The square root of 157161716 is about 12536.4155961742. The cubic root of 157161716 is about 539.6542322379.

Adding to 157161716 its sum of digits (35), we get a palindrome (157161751).

The spelling of 157161716 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, seven hundred sixteen".