66004745352 has 64 divisors (see below), whose sum is σ = 203091530880. Its totient is φ = 17407844352.

The previous prime is 66004745347. The next prime is 66004745357. The reversal of 66004745352 is 25354740066.

66004745352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66004745347) and next prime (66004745357).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (66004745357) 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, 15108793 + ... + 15113160.

It is an arithmetic number, because the mean of its divisors is an integer number (3173305170).

Almost surely, 2^66004745352 is an apocalyptic number.

It is an amenable number.

66004745352 is an abundant number, since it is smaller than the sum of its proper divisors (137086785528).

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

66004745352 is a wasteful number, since it uses less digits than its factorization.

66004745352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30221982 (or 30221978 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 66004745352 in words is "sixty-six billion, four million, seven hundred forty-five thousand, three hundred fifty-two".