36165990 has 32 divisors (see below), whose sum is σ = 99198720. Its totient is φ = 8266464.

The previous prime is 36165971. The next prime is 36166001. The reversal of 36165990 is 9956163.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 85900 + ... + 86319.

It is an arithmetic number, because the mean of its divisors is an integer number (3099960).

Almost surely, 2^36165990 is an apocalyptic number.

36165990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

36165990 is an abundant number, since it is smaller than the sum of its proper divisors (63032730).

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

36165990 is a wasteful number, since it uses less digits than its factorization.

36165990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172236.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 36165990 is about 6013.8165918159. The cubic root of 36165990 is about 330.6994347748.

The spelling of 36165990 in words is "thirty-six million, one hundred sixty-five thousand, nine hundred ninety".