3818166407 has 8 divisors (see below), whose sum is σ = 4166225280. Its totient is φ = 3470266360.

The previous prime is 3818166389. The next prime is 3818166421. The reversal of 3818166407 is 7046618183.

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

It is not a de Polignac number, because 3818166407 - 2⁶ = 3818166343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818166427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13694 + ... + 88452.

It is an arithmetic number, because the mean of its divisors is an integer number (520778160).

Almost surely, 2^3818166407 is an apocalyptic number.

3818166407 is a deficient number, since it is larger than the sum of its proper divisors (348058873).

3818166407 is a wasteful number, since it uses less digits than its factorization.

3818166407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79413.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 3818166407 is about 61791.3133619929. The cubic root of 3818166407 is about 1562.9735099258.

The spelling of 3818166407 in words is "three billion, eight hundred eighteen million, one hundred sixty-six thousand, four hundred seven".