162420804 has 144 divisors (see below), whose sum is σ = 517508992. Its totient is φ = 41803776.

The previous prime is 162420799. The next prime is 162420823. The reversal of 162420804 is 408024261.

162420804 is a `hidden beast` number, since 162 + 420 + 80 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140292 + ... + 141444.

Almost surely, 2^162420804 is an apocalyptic number.

162420804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162420804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258754496).

162420804 is an abundant number, since it is smaller than the sum of its proper divisors (355088188).

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

162420804 is a wasteful number, since it uses less digits than its factorization.

162420804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 162420804 is about 12744.4420827277. The cubic root of 162420804 is about 545.6077769192.

The spelling of 162420804 in words is "one hundred sixty-two million, four hundred twenty thousand, eight hundred four".