160640645 has 8 divisors (see below), whose sum is σ = 210293280. Its totient is φ = 116829520.

The previous prime is 160640629. The next prime is 160640651. The reversal of 160640645 is 546046061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160640645 - 2⁴ = 160640629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460315 + ... + 1460424.

It is an arithmetic number, because the mean of its divisors is an integer number (26286660).

Almost surely, 2^160640645 is an apocalyptic number.

It is an amenable number.

160640645 is a deficient number, since it is larger than the sum of its proper divisors (49652635).

160640645 is a wasteful number, since it uses less digits than its factorization.

160640645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920755.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 160640645 is about 12674.4090592027. The cubic root of 160640645 is about 543.6071325894.

The spelling of 160640645 in words is "one hundred sixty million, six hundred forty thousand, six hundred forty-five".