160231657 has 4 divisors (see below), whose sum is σ = 161191296. Its totient is φ = 159272020.

The previous prime is 160231651. The next prime is 160231663. The reversal of 160231657 is 756132061.

160231657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is an interprime number because it is at equal distance from previous prime (160231651) and next prime (160231663).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160231657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160231651) 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, 479569 + ... + 479902.

It is an arithmetic number, because the mean of its divisors is an integer number (40297824).

Almost surely, 2^160231657 is an apocalyptic number.

It is an amenable number.

160231657 is a deficient number, since it is larger than the sum of its proper divisors (959639).

160231657 is an equidigital number, since it uses as much as digits as its factorization.

160231657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959638.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 160231657 is about 12658.2643754979. The cubic root of 160231657 is about 543.1454027391.

The spelling of 160231657 in words is "one hundred sixty million, two hundred thirty-one thousand, six hundred fifty-seven".