39982166825546 has 8 divisors (see below), whose sum is σ = 65425363896384. Its totient is φ = 18173712193420.

The previous prime is 39982166825509. The next prime is 39982166825563. The reversal of 39982166825546 is 64552866128993.

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

It is a super-2 number, since 2×39982166825546² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908685609650 + ... + 908685609693.

It is an arithmetic number, because the mean of its divisors is an integer number (8178170487048).

Almost surely, 2^{39982166825546} is an apocalyptic number.

39982166825546 is a deficient number, since it is larger than the sum of its proper divisors (25443197070838).

39982166825546 is a wasteful number, since it uses less digits than its factorization.

39982166825546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817371219356.

The product of its digits is 1343692800, while the sum is 74.

The spelling of 39982166825546 in words is "thirty-nine trillion, nine hundred eighty-two billion, one hundred sixty-six million, eight hundred twenty-five thousand, five hundred forty-six".