162992640 has 160 divisors (see below), whose sum is σ = 548982720. Its totient is φ = 41140224.

The previous prime is 162992629. The next prime is 162992657. The reversal of 162992640 is 46299261.

162992640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145362 + ... + 146478.

It is an arithmetic number, because the mean of its divisors is an integer number (3431142).

Almost surely, 2^162992640 is an apocalyptic number.

162992640 is a gapful number since it is divisible by the number (10) 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 162992640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274491360).

162992640 is an abundant number, since it is smaller than the sum of its proper divisors (385990080).

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

162992640 is a wasteful number, since it uses less digits than its factorization.

162992640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 162992640 is about 12766.8570917043. The cubic root of 162992640 is about 546.2473352439.

The spelling of 162992640 in words is "one hundred sixty-two million, nine hundred ninety-two thousand, six hundred forty".