66337933912 has 16 divisors (see below), whose sum is σ = 128396001600. Its totient is φ = 32099000160.

The previous prime is 66337933873. The next prime is 66337933913. The reversal of 66337933912 is 21933973366.

It is a self number, because there is not a number n which added to its sum of digits gives 66337933912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66337933913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133745587 + ... + 133746082.

It is an arithmetic number, because the mean of its divisors is an integer number (8024750100).

Almost surely, 2^66337933912 is an apocalyptic number.

66337933912 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66337933912 is a deficient number, since it is larger than the sum of its proper divisors (62058067688).

66337933912 is a wasteful number, since it uses less digits than its factorization.

66337933912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267491706 (or 267491702 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 52.

The spelling of 66337933912 in words is "sixty-six billion, three hundred thirty-seven million, nine hundred thirty-three thousand, nine hundred twelve".