162138752 has 32 divisors (see below), whose sum is σ = 323870400. Its totient is φ = 80853760.

The previous prime is 162138749. The next prime is 162138763. The reversal of 162138752 is 257831261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53699 + ... + 56637.

It is an arithmetic number, because the mean of its divisors is an integer number (10120950).

Almost surely, 2^162138752 is an apocalyptic number.

It is an amenable number.

162138752 is a deficient number, since it is larger than the sum of its proper divisors (161731648).

162138752 is an equidigital number, since it uses as much as digits as its factorization.

162138752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384 (or 3372 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 162138752 is about 12733.3715880752. The cubic root of 162138752 is about 545.2917686943.

The spelling of 162138752 in words is "one hundred sixty-two million, one hundred thirty-eight thousand, seven hundred fifty-two".