66336123372 has 48 divisors (see below), whose sum is σ = 155895062400. Its totient is φ = 21953751040.

The previous prime is 66336123323. The next prime is 66336123391. The reversal of 66336123372 is 27332163366.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352779 + ... + 1400957.

It is an arithmetic number, because the mean of its divisors is an integer number (3247813800).

Almost surely, 2^66336123372 is an apocalyptic number.

It is an amenable number.

66336123372 is an abundant number, since it is smaller than the sum of its proper divisors (89558939028).

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

66336123372 is a wasteful number, since it uses less digits than its factorization.

66336123372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49006 (or 49004 counting only the distinct ones).

The product of its digits is 489888, while the sum is 42.

The spelling of 66336123372 in words is "sixty-six billion, three hundred thirty-six million, one hundred twenty-three thousand, three hundred seventy-two".