157470257161 has 16 divisors (see below), whose sum is σ = 181962103680. Its totient is φ = 133479590400.

The previous prime is 157470257123. The next prime is 157470257171. The reversal of 157470257161 is 161752074751.

It is a cyclic number.

It is not a de Polignac number, because 157470257161 - 2¹⁷ = 157470126089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157470257171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794250 + ... + 972508.

It is an arithmetic number, because the mean of its divisors is an integer number (11372631480).

Almost surely, 2^157470257161 is an apocalyptic number.

It is an amenable number.

157470257161 is a deficient number, since it is larger than the sum of its proper divisors (24491846519).

157470257161 is a wasteful number, since it uses less digits than its factorization.

157470257161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179664.

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 157470257161 in words is "one hundred fifty-seven billion, four hundred seventy million, two hundred fifty-seven thousand, one hundred sixty-one".