162100455 has 64 divisors (see below), whose sum is σ = 291879936. Its totient is φ = 76160000.

The previous prime is 162100453. The next prime is 162100469. The reversal of 162100455 is 554001261.

It is not a de Polignac number, because 162100455 - 2¹ = 162100453 is a prime.

It is a super-2 number, since 2×162100455² = 52553115022414050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162100451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1183147 + ... + 1183283.

It is an arithmetic number, because the mean of its divisors is an integer number (4560624).

Almost surely, 2^162100455 is an apocalyptic number.

162100455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162100455 is a deficient number, since it is larger than the sum of its proper divisors (129779481).

162100455 is a wasteful number, since it uses less digits than its factorization.

162100455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 162100455 is about 12731.8676948828. The cubic root of 162100455 is about 545.2488328693.

The spelling of 162100455 in words is "one hundred sixty-two million, one hundred thousand, four hundred fifty-five".