160308630661 has 4 divisors (see below), whose sum is σ = 160720735500. Its totient is φ = 159896525824.

The previous prime is 160308630653. The next prime is 160308630683. The reversal of 160308630661 is 166036803061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17205306561 + 143103324100 = 131169^2 + 378290^2 .

It is a cyclic number.

It is not a de Polignac number, because 160308630661 - 2³ = 160308630653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160308630611) 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, 206051836 + ... + 206052613.

It is an arithmetic number, because the mean of its divisors is an integer number (40180183875).

Almost surely, 2^160308630661 is an apocalyptic number.

It is an amenable number.

160308630661 is a deficient number, since it is larger than the sum of its proper divisors (412104839).

160308630661 is an equidigital number, since it uses as much as digits as its factorization.

160308630661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412104838.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 160308630661 in words is "one hundred sixty billion, three hundred eight million, six hundred thirty thousand, six hundred sixty-one".