39221964166 has 32 divisors (see below), whose sum is σ = 73363530240. Its totient is φ = 15278500800.

The previous prime is 39221964163. The next prime is 39221964169. The reversal of 39221964166 is 66146912293.

39221964166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39221964163) and next prime (39221964169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39221964163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959575 + ... + 999613.

It is an arithmetic number, because the mean of its divisors is an integer number (2292610320).

Almost surely, 2^39221964166 is an apocalyptic number.

39221964166 is a deficient number, since it is larger than the sum of its proper divisors (34141566074).

39221964166 is a wasteful number, since it uses less digits than its factorization.

39221964166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46420.

The product of its digits is 839808, while the sum is 49.

The spelling of 39221964166 in words is "thirty-nine billion, two hundred twenty-one million, nine hundred sixty-four thousand, one hundred sixty-six".