66673393592 has 32 divisors (see below), whose sum is σ = 138971844480. Its totient is φ = 29779678080.

The previous prime is 66673393583. The next prime is 66673393609. The reversal of 66673393592 is 29539337666.

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, 10336943 + ... + 10343390.

It is an arithmetic number, because the mean of its divisors is an integer number (4342870140).

Almost surely, 2^66673393592 is an apocalyptic number.

66673393592 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66673393592 is an abundant number, since it is smaller than the sum of its proper divisors (72298450888).

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

66673393592 is a wasteful number, since it uses less digits than its factorization.

66673393592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20680383 (or 20680379 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 59.

The spelling of 66673393592 in words is "sixty-six billion, six hundred seventy-three million, three hundred ninety-three thousand, five hundred ninety-two".