667374244430344 has 64 divisors (see below), whose sum is σ = 1460486424225600. Its totient is φ = 282674791699200.

The previous prime is 667374244430291. The next prime is 667374244430371. The reversal of 667374244430344 is 443034442473766.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271596987 + ... + 3271800970.

It is an arithmetic number, because the mean of its divisors is an integer number (22820100378525).

Almost surely, 2^{667374244430344} is an apocalyptic number.

It is an amenable number.

667374244430344 is an abundant number, since it is smaller than the sum of its proper divisors (793112179795256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667374244430344 is a wasteful number, since it uses less digits than its factorization.

667374244430344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543398054 (or 6543398050 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 61.

The spelling of 667374244430344 in words is "six hundred sixty-seven trillion, three hundred seventy-four billion, two hundred forty-four million, four hundred thirty thousand, three hundred forty-four".