160669046639 has 4 divisors (see below), whose sum is σ = 161376840024. Its totient is φ = 159961253256.

The previous prime is 160669046621. The next prime is 160669046641. The reversal of 160669046639 is 936640966061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 160669046639 - 2²⁸ = 160400611183 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 (160669046689) 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, 353896352 + ... + 353896805.

It is an arithmetic number, because the mean of its divisors is an integer number (40344210006).

Almost surely, 2^160669046639 is an apocalyptic number.

160669046639 is a deficient number, since it is larger than the sum of its proper divisors (707793385).

160669046639 is an equidigital number, since it uses as much as digits as its factorization.

160669046639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707793384.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The spelling of 160669046639 in words is "one hundred sixty billion, six hundred sixty-nine million, forty-six thousand, six hundred thirty-nine".