166331016 has 64 divisors (see below), whose sum is σ = 486360000. Its totient is φ = 52524288.

The previous prime is 166330999. The next prime is 166331029. The reversal of 166331016 is 610133661.

It is a happy number.

166331016 is a `hidden beast` number, since 1 + 6 + 633 + 10 + 16 = 666.

166331016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 16161 + ... + 24368.

It is an arithmetic number, because the mean of its divisors is an integer number (7599375).

Almost surely, 2^166331016 is an apocalyptic number.

It is an amenable number.

166331016 is an abundant number, since it is smaller than the sum of its proper divisors (320028984).

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

166331016 is a wasteful number, since it uses less digits than its factorization.

166331016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40563 (or 40553 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 166331016 is about 12896.9382413036. The cubic root of 166331016 is about 549.9515285107.

Adding to 166331016 its reverse (610133661), we get a palindrome (776464677).

The spelling of 166331016 in words is "one hundred sixty-six million, three hundred thirty-one thousand, sixteen".