162162540 has 48 divisors (see below), whose sum is σ = 504507360. Its totient is φ = 43243200.

The previous prime is 162162529. The next prime is 162162547. The reversal of 162162540 is 45261261.

162162540 is a `hidden beast` number, since 1 + 62 + 1 + 62 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (162162547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149611 + ... + 150690.

It is an arithmetic number, because the mean of its divisors is an integer number (10510570).

Almost surely, 2^162162540 is an apocalyptic number.

162162540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162162540 is an abundant number, since it is smaller than the sum of its proper divisors (342344820).

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

162162540 is a wasteful number, since it uses less digits than its factorization.

162162540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300319 (or 300311 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 162162540 is about 12734.3056347804. The cubic root of 162162540 is about 545.3184346746.

The spelling of 162162540 in words is "one hundred sixty-two million, one hundred sixty-two thousand, five hundred forty".