66652811934 has 16 divisors (see below), whose sum is σ = 133321855872. Its totient is φ = 22214898648.

The previous prime is 66652811933. The next prime is 66652811947. The reversal of 66652811934 is 43911825666.

66652811934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66652811933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622624 + ... + 721779.

It is an arithmetic number, because the mean of its divisors is an integer number (8332615992).

Almost surely, 2^66652811934 is an apocalyptic number.

66652811934 is an abundant number, since it is smaller than the sum of its proper divisors (66669043938).

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

66652811934 is a wasteful number, since it uses less digits than its factorization.

66652811934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352671.

The product of its digits is 1866240, while the sum is 51.

The spelling of 66652811934 in words is "sixty-six billion, six hundred fifty-two million, eight hundred eleven thousand, nine hundred thirty-four".