162421056 has 84 divisors (see below), whose sum is σ = 532071072. Its totient is φ = 46404864.

The previous prime is 162421031. The next prime is 162421069. The reversal of 162421056 is 650124261.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16110 + ... + 24173.

Almost surely, 2^162421056 is an apocalyptic number.

162421056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162421056 is an abundant number, since it is smaller than the sum of its proper divisors (369650016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162421056 is a wasteful number, since it uses less digits than its factorization.

162421056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40308 (or 40295 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 162421056 is about 12744.4519693865. The cubic root of 162421056 is about 545.6080590938.

The spelling of 162421056 in words is "one hundred sixty-two million, four hundred twenty-one thousand, fifty-six".