66733374070 has 64 divisors (see below), whose sum is σ = 138865285440. Its totient is φ = 22858393600.

The previous prime is 66733374049. The next prime is 66733374109. The reversal of 66733374070 is 7047333766.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66733374070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124327 + ... + 385906.

It is an arithmetic number, because the mean of its divisors is an integer number (2169770085).

Almost surely, 2^66733374070 is an apocalyptic number.

66733374070 is an abundant number, since it is smaller than the sum of its proper divisors (72131911370).

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

66733374070 is a wasteful number, since it uses less digits than its factorization.

66733374070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510321.

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 66733374070 in words is "sixty-six billion, seven hundred thirty-three million, three hundred seventy-four thousand, seventy".