332166520 has 64 divisors (see below), whose sum is σ = 862202880. Its totient is φ = 112811136.

The previous prime is 332166479. The next prime is 332166521. The reversal of 332166520 is 25661233.

It is a super-2 number, since 2×332166520² = 220669194017820800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332166521) 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, 24417 + ... + 35503.

It is an arithmetic number, because the mean of its divisors is an integer number (13471920).

Almost surely, 2^332166520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332166520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431101440).

332166520 is an abundant number, since it is smaller than the sum of its proper divisors (530036360).

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

332166520 is a wasteful number, since it uses less digits than its factorization.

332166520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212 (or 11208 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 332166520 is about 18225.4360716006. The cubic root of 332166520 is about 692.5513053518.

The spelling of 332166520 in words is "three hundred thirty-two million, one hundred sixty-six thousand, five hundred twenty".