162573961 has 4 divisors (see below), whose sum is σ = 177353424. Its totient is φ = 147794500.

The previous prime is 162573953. The next prime is 162574003. The reversal of 162573961 is 169375261.

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.

It is a cyclic number.

It is not a de Polignac number, because 162573961 - 2³ = 162573953 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162573461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7389715 + ... + 7389736.

It is an arithmetic number, because the mean of its divisors is an integer number (44338356).

Almost surely, 2^162573961 is an apocalyptic number.

162573961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162573961 is a deficient number, since it is larger than the sum of its proper divisors (14779463).

162573961 is a wasteful number, since it uses less digits than its factorization.

162573961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779462.

The product of its digits is 68040, while the sum is 40.

The square root of 162573961 is about 12750.4494430589. The cubic root of 162573961 is about 545.7792192389.

The spelling of 162573961 in words is "one hundred sixty-two million, five hundred seventy-three thousand, nine hundred sixty-one".