74444247166 has 8 divisors (see below), whose sum is σ = 114263263224. Its totient is φ = 36356492760.

The previous prime is 74444247151. The next prime is 74444247181. The reversal of 74444247166 is 66174244447.

It is an interprime number because it is at equal distance from previous prime (74444247151) and next prime (74444247181).

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

It is a super-2 number, since 2×74444247166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432815305 + ... + 432815476.

It is an arithmetic number, because the mean of its divisors is an integer number (14282907903).

Almost surely, 2^74444247166 is an apocalyptic number.

74444247166 is a deficient number, since it is larger than the sum of its proper divisors (39819016058).

74444247166 is a wasteful number, since it uses less digits than its factorization.

74444247166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865630826.

The product of its digits is 3612672, while the sum is 49.

The spelling of 74444247166 in words is "seventy-four billion, four hundred forty-four million, two hundred forty-seven thousand, one hundred sixty-six".