66652364136 has 32 divisors (see below), whose sum is σ = 172376805600. Its totient is φ = 21451335360.

The previous prime is 66652364131. The next prime is 66652364143. The reversal of 66652364136 is 63146325666.

66652364136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66652364131) 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, 47881750 + ... + 47883141.

It is an arithmetic number, because the mean of its divisors is an integer number (5386775175).

Almost surely, 2^66652364136 is an apocalyptic number.

It is an amenable number.

66652364136 is an abundant number, since it is smaller than the sum of its proper divisors (105724441464).

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

66652364136 is a wasteful number, since it uses less digits than its factorization.

66652364136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95764929 (or 95764925 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 48.

The spelling of 66652364136 in words is "sixty-six billion, six hundred fifty-two million, three hundred sixty-four thousand, one hundred thirty-six".