36661992 has 16 divisors (see below), whose sum is σ = 91655040. Its totient is φ = 12220656.

The previous prime is 36661991. The next prime is 36661993. The reversal of 36661992 is 29916663.

It is an interprime number because it is at equal distance from previous prime (36661991) and next prime (36661993).

It is not an unprimeable number, because it can be changed into a prime (36661991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763768 + ... + 763815.

It is an arithmetic number, because the mean of its divisors is an integer number (5728440).

Almost surely, 2^36661992 is an apocalyptic number.

It is an amenable number.

36661992 is an abundant number, since it is smaller than the sum of its proper divisors (54993048).

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

36661992 is a wasteful number, since it uses less digits than its factorization.

36661992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527592 (or 1527588 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 36661992 is about 6054.9146979953. The cubic root of 36661992 is about 332.2043789247.

The spelling of 36661992 in words is "thirty-six million, six hundred sixty-one thousand, nine hundred ninety-two".