39801166 has 12 divisors (see below), whose sum is σ = 61834032. Its totient is φ = 19213544.

The previous prime is 39801163. The next prime is 39801173. The reversal of 39801166 is 66110893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39801161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10150 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (5152836).

Almost surely, 2^39801166 is an apocalyptic number.

39801166 is a deficient number, since it is larger than the sum of its proper divisors (22032866).

39801166 is a wasteful number, since it uses less digits than its factorization.

39801166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23723 (or 23694 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 39801166 is about 6308.8165292708. The cubic root of 39801166 is about 341.4275788627.

The spelling of 39801166 in words is "thirty-nine million, eight hundred one thousand, one hundred sixty-six".