66673010304 has 112 divisors (see below), whose sum is σ = 199146884370. Its totient is φ = 22224305664.

The previous prime is 66673010297. The next prime is 66673010317. The reversal of 66673010304 is 40301037666.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56146250304 + 10526760000 = 236952^2 + 102600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 263947 + ... + 450570.

Almost surely, 2^66673010304 is an apocalyptic number.

66673010304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66673010304 is an abundant number, since it is smaller than the sum of its proper divisors (132473874066).

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

66673010304 is an frugal number, since it uses more digits than its factorization.

66673010304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714549 (or 714522 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 66673010304 in words is "sixty-six billion, six hundred seventy-three million, ten thousand, three hundred four".