162120898 has 16 divisors (see below), whose sum is σ = 245045880. Its totient is φ = 80441856.

The previous prime is 162120797. The next prime is 162120911. The reversal of 162120898 is 898021261.

It can be written as a sum of positive squares in 4 ways, for example, as 113358609 + 48762289 = 10647^2 + 6983^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195148 + ... + 195976.

Almost surely, 2^162120898 is an apocalyptic number.

162120898 is a deficient number, since it is larger than the sum of its proper divisors (82924982).

162120898 is a wasteful number, since it uses less digits than its factorization.

162120898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 162120898 is about 12732.6704975822. The cubic root of 162120898 is about 545.2717529229.

The spelling of 162120898 in words is "one hundred sixty-two million, one hundred twenty thousand, eight hundred ninety-eight".