162985380 has 24 divisors (see below), whose sum is σ = 456359232. Its totient is φ = 43462752.

The previous prime is 162985369. The next prime is 162985387. The reversal of 162985380 is 83589261.

It is not an unprimeable number, because it can be changed into a prime (162985387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358152 + ... + 1358271.

It is an arithmetic number, because the mean of its divisors is an integer number (19014968).

Almost surely, 2^162985380 is an apocalyptic number.

162985380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162985380 is an abundant number, since it is smaller than the sum of its proper divisors (293373852).

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

162985380 is a wasteful number, since it uses less digits than its factorization.

162985380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716435 (or 2716433 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 162985380 is about 12766.5727585754. The cubic root of 162985380 is about 546.2392248275.

The spelling of 162985380 in words is "one hundred sixty-two million, nine hundred eighty-five thousand, three hundred eighty".