160634641 has 4 divisors (see below), whose sum is σ = 160704000. Its totient is φ = 160565284.

The previous prime is 160634633. The next prime is 160634647. The reversal of 160634641 is 146436061.

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: 146436061 = 89 ⋅1645349.

It is a cyclic number.

It is not a de Polignac number, because 160634641 - 2³ = 160634633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160634647) 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, 31081 + ... + 35878.

It is an arithmetic number, because the mean of its divisors is an integer number (40176000).

Almost surely, 2^160634641 is an apocalyptic number.

It is an amenable number.

160634641 is a deficient number, since it is larger than the sum of its proper divisors (69359).

160634641 is an equidigital number, since it uses as much as digits as its factorization.

160634641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69358.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 160634641 is about 12674.1722017653. The cubic root of 160634641 is about 543.6003600031.

The spelling of 160634641 in words is "one hundred sixty million, six hundred thirty-four thousand, six hundred forty-one".