162674921 has 12 divisors (see below), whose sum is σ = 177034620. Its totient is φ = 149360640.

The previous prime is 162674893. The next prime is 162674927. The reversal of 162674921 is 129476261.

162674921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 469225 + 162205696 = 685^2 + 12736^2 .

It is not a de Polignac number, because 162674921 - 2¹⁰ = 162673897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162674927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4985 + ... + 18713.

It is an arithmetic number, because the mean of its divisors is an integer number (14752885).

Almost surely, 2^162674921 is an apocalyptic number.

It is an amenable number.

162674921 is a deficient number, since it is larger than the sum of its proper divisors (14359699).

162674921 is a wasteful number, since it uses less digits than its factorization.

162674921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804 (or 13787 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 162674921 is about 12754.4079047206. The cubic root of 162674921 is about 545.8921739156.

The spelling of 162674921 in words is "one hundred sixty-two million, six hundred seventy-four thousand, nine hundred twenty-one".