157661126 has 24 divisors (see below), whose sum is σ = 289585080. Its totient is φ = 64012032.

The previous prime is 157661087. The next prime is 157661131. The reversal of 157661126 is 621166751.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40475 + ... + 44198.

It is an arithmetic number, because the mean of its divisors is an integer number (12066045).

Almost surely, 2^157661126 is an apocalyptic number.

157661126 is a deficient number, since it is larger than the sum of its proper divisors (131923954).

157661126 is a wasteful number, since it uses less digits than its factorization.

157661126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84708 (or 84701 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 157661126 is about 12556.3181705467. The cubic root of 157661126 is about 540.2252443962.

The spelling of 157661126 in words is "one hundred fifty-seven million, six hundred sixty-one thousand, one hundred twenty-six".