667023223704 has 64 divisors (see below), whose sum is σ = 1730000640000. Its totient is φ = 214087484160.

The previous prime is 667023223591. The next prime is 667023223709. The reversal of 667023223704 is 407322320766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667023223709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2104549 + ... + 2400660.

It is an arithmetic number, because the mean of its divisors is an integer number (27031260000).

Almost surely, 2^667023223704 is an apocalyptic number.

It is an amenable number.

667023223704 is an abundant number, since it is smaller than the sum of its proper divisors (1062977416296).

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

667023223704 is a wasteful number, since it uses less digits than its factorization.

667023223704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505448 (or 4505444 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 667023223704 in words is "six hundred sixty-seven billion, twenty-three million, two hundred twenty-three thousand, seven hundred four".