166036392 has 80 divisors (see below), whose sum is σ = 467333460. Its totient is φ = 55074816.

The previous prime is 166036357. The next prime is 166036393. The reversal of 166036392 is 293630661.

166036392 is a `hidden beast` number, since 16 + 6 + 0 + 3 + 639 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123343236 + 42693156 = 11106^2 + 6534^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (166036393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166038 + ... + 167034.

Almost surely, 2^166036392 is an apocalyptic number.

166036392 is a gapful number since it is divisible by the number (12) 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 166036392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233666730).

166036392 is an abundant number, since it is smaller than the sum of its proper divisors (301297068).

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

166036392 is a wasteful number, since it uses less digits than its factorization.

166036392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 166036392 is about 12885.5109328268. The cubic root of 166036392 is about 549.6266248233.

The spelling of 166036392 in words is "one hundred sixty-six million, thirty-six thousand, three hundred ninety-two".