166653036 has 72 divisors (see below), whose sum is σ = 470293824. Its totient is φ = 49321440.

The previous prime is 166653031. The next prime is 166653059. The reversal of 166653036 is 630356661.

It is a happy number.

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 (166653031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12135 + ... + 21921.

Almost surely, 2^166653036 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 166653036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235146912).

166653036 is an abundant number, since it is smaller than the sum of its proper divisors (303640788).

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

166653036 is a wasteful number, since it uses less digits than its factorization.

166653036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851 (or 9846 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 166653036 is about 12909.4165631139. The cubic root of 166653036 is about 550.3062052502.

It can be divided in two parts, 16665 and 3036, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 166653036 in words is "one hundred sixty-six million, six hundred fifty-three thousand, thirty-six".