66700037034 has 32 divisors (see below), whose sum is σ = 149389424640. Its totient is φ = 22058277696.

The previous prime is 66700037023. The next prime is 66700037039. The reversal of 66700037034 is 43073000766.

It is a self number, because there is not a number n which added to its sum of digits gives 66700037034.

It is not an unprimeable number, because it can be changed into a prime (66700037039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4856079 + ... + 4869794.

It is an arithmetic number, because the mean of its divisors is an integer number (4668419520).

Almost surely, 2^66700037034 is an apocalyptic number.

66700037034 is an abundant number, since it is smaller than the sum of its proper divisors (82689387606).

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

66700037034 is a wasteful number, since it uses less digits than its factorization.

66700037034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726011 (or 9726005 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 66700037034 in words is "sixty-six billion, seven hundred million, thirty-seven thousand, thirty-four".