39399376196666 has 8 divisors (see below), whose sum is σ = 59379154647744. Its totient is φ = 19606324647420.

The previous prime is 39399376196647. The next prime is 39399376196669. The reversal of 39399376196666 is 66669167399393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39399376196666² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39399376196669) 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, 46681724930 + ... + 46681725773.

It is an arithmetic number, because the mean of its divisors is an integer number (7422394330968).

Almost surely, 2^{39399376196666} is an apocalyptic number.

39399376196666 is a deficient number, since it is larger than the sum of its proper divisors (19979778451078).

39399376196666 is a wasteful number, since it uses less digits than its factorization.

39399376196666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93363450916.

The product of its digits is 9642465504, while the sum is 83.

The spelling of 39399376196666 in words is "thirty-nine trillion, three hundred ninety-nine billion, three hundred seventy-six million, one hundred ninety-six thousand, six hundred sixty-six".