162120453 has 32 divisors (see below), whose sum is σ = 240648192. Its totient is φ = 96264000.

The previous prime is 162120443. The next prime is 162120473. The reversal of 162120453 is 354021261.

It is not a de Polignac number, because 162120453 - 2⁸ = 162120197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162120443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423100 + ... + 423482.

It is an arithmetic number, because the mean of its divisors is an integer number (7520256).

Almost surely, 2^162120453 is an apocalyptic number.

It is an amenable number.

162120453 is a deficient number, since it is larger than the sum of its proper divisors (78527739).

162120453 is a wasteful number, since it uses less digits than its factorization.

162120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 162120453 is about 12732.6530228386. The cubic root of 162120453 is about 545.2712540233.

The spelling of 162120453 in words is "one hundred sixty-two million, one hundred twenty thousand, four hundred fifty-three".