162015980 has 24 divisors (see below), whose sum is σ = 388838688. Its totient is φ = 55548288.

The previous prime is 162015961. The next prime is 162015989. The reversal of 162015980 is 89510261.

It is not an unprimeable number, because it can be changed into a prime (162015989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578489 + ... + 578768.

It is an arithmetic number, because the mean of its divisors is an integer number (16201612).

Almost surely, 2^162015980 is an apocalyptic number.

162015980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162015980 is an abundant number, since it is smaller than the sum of its proper divisors (226822708).

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

162015980 is a wasteful number, since it uses less digits than its factorization.

162015980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157273 (or 1157271 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 162015980 is about 12728.5497995648. The cubic root of 162015980 is about 545.1541016968.

The spelling of 162015980 in words is "one hundred sixty-two million, fifteen thousand, nine hundred eighty".