162420580 has 24 divisors (see below), whose sum is σ = 389809728. Its totient is φ = 55687008.

The previous prime is 162420571. The next prime is 162420611. The reversal of 162420580 is 85024261.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 579934 + ... + 580213.

It is an arithmetic number, because the mean of its divisors is an integer number (16242072).

Almost surely, 2^162420580 is an apocalyptic number.

162420580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162420580 is an abundant number, since it is smaller than the sum of its proper divisors (227389148).

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

162420580 is a wasteful number, since it uses less digits than its factorization.

162420580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160163 (or 1160161 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 162420580 is about 12744.4332945800. The cubic root of 162420580 is about 545.6075260971.

The spelling of 162420580 in words is "one hundred sixty-two million, four hundred twenty thousand, five hundred eighty".