668010366336 has 64 divisors (see below), whose sum is σ = 1775771941680. Its totient is φ = 222498275328.

The previous prime is 668010366277. The next prime is 668010366347. The reversal of 668010366336 is 633663010866.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172581 + ... + 1168676.

Almost surely, 2^668010366336 is an apocalyptic number.

It is an amenable number.

668010366336 is an abundant number, since it is smaller than the sum of its proper divisors (1107761575344).

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

668010366336 is a wasteful number, since it uses less digits than its factorization.

668010366336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342571 (or 1342559 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 668010366336 in words is "six hundred sixty-eight billion, ten million, three hundred sixty-six thousand, three hundred thirty-six".