160157081 has 4 divisors (see below), whose sum is σ = 183036672. Its totient is φ = 137277492.

The previous prime is 160157077. The next prime is 160157087. The reversal of 160157081 is 180751061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180751061 = 97 ⋅1863413.

It is a cyclic number.

It is not a de Polignac number, because 160157081 - 2² = 160157077 is a prime.

It is a super-2 number, since 2×160157081² = 51300581188881122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (160157087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11439785 + ... + 11439798.

It is an arithmetic number, because the mean of its divisors is an integer number (45759168).

Almost surely, 2^160157081 is an apocalyptic number.

It is an amenable number.

160157081 is a deficient number, since it is larger than the sum of its proper divisors (22879591).

160157081 is an equidigital number, since it uses as much as digits as its factorization.

160157081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22879590.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 160157081 is about 12655.3182891621. The cubic root of 160157081 is about 543.0611249752.

The spelling of 160157081 in words is "one hundred sixty million, one hundred fifty-seven thousand, eighty-one".