160696561 has 4 divisors (see below), whose sum is σ = 167683392. Its totient is φ = 153709732.

The previous prime is 160696553. The next prime is 160696567. The reversal of 160696561 is 165696061.

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: 165696061 = 6563 ⋅25247.

It is a cyclic number.

It is not a de Polignac number, because 160696561 - 2³ = 160696553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160696567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493381 + ... + 3493426.

It is an arithmetic number, because the mean of its divisors is an integer number (41920848).

Almost surely, 2^160696561 is an apocalyptic number.

It is an amenable number.

160696561 is a deficient number, since it is larger than the sum of its proper divisors (6986831).

160696561 is an equidigital number, since it uses as much as digits as its factorization.

160696561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986830.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 160696561 is about 12676.6147294930. The cubic root of 160696561 is about 543.6701984266.

The spelling of 160696561 in words is "one hundred sixty million, six hundred ninety-six thousand, five hundred sixty-one".