160472921 has 16 divisors (see below), whose sum is σ = 190487040. Its totient is φ = 132269760.

The previous prime is 160472903. The next prime is 160472927. The reversal of 160472921 is 129274061.

It is a happy number.

160472921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 160472921 - 2⁶ = 160472857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160472927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53555 + ... + 56471.

It is an arithmetic number, because the mean of its divisors is an integer number (11905440).

Almost surely, 2^160472921 is an apocalyptic number.

It is an amenable number.

160472921 is a deficient number, since it is larger than the sum of its proper divisors (30014119).

160472921 is a wasteful number, since it uses less digits than its factorization.

160472921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 160472921 is about 12667.7906913558. The cubic root of 160472921 is about 543.4178743162.

The spelling of 160472921 in words is "one hundred sixty million, four hundred seventy-two thousand, nine hundred twenty-one".