66747634035 has 96 divisors (see below), whose sum is σ = 116269655040. Its totient is φ = 32632554240.

The previous prime is 66747634027. The next prime is 66747634039. The reversal of 66747634035 is 53043674766.

66747634035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66747634035 - 2³ = 66747634027 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66747634039) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36137482 + ... + 36139328.

It is an arithmetic number, because the mean of its divisors is an integer number (1211142240).

Almost surely, 2^66747634035 is an apocalyptic number.

66747634035 is a deficient number, since it is larger than the sum of its proper divisors (49522021005).

66747634035 is a wasteful number, since it uses less digits than its factorization.

66747634035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 66747634035 in words is "sixty-six billion, seven hundred forty-seven million, six hundred thirty-four thousand, thirty-five".