66674033370 has 96 divisors (see below), whose sum is σ = 204508062720. Its totient is φ = 14748168960.

The previous prime is 66674033359. The next prime is 66674033423. The reversal of 66674033370 is 7333047666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1687435 + ... + 1726494.

It is an arithmetic number, because the mean of its divisors is an integer number (2130292320).

Almost surely, 2^66674033370 is an apocalyptic number.

66674033370 is an abundant number, since it is smaller than the sum of its proper divisors (137834029350).

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

66674033370 is a wasteful number, since it uses less digits than its factorization.

66674033370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413980 (or 3413977 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 45.

The spelling of 66674033370 in words is "sixty-six billion, six hundred seventy-four million, thirty-three thousand, three hundred seventy".