66353815302 has 64 divisors (see below), whose sum is σ = 142670626560. Its totient is φ = 20498310144.

The previous prime is 66353815219. The next prime is 66353815303. The reversal of 66353815302 is 20351835366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66353815303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4780849 + ... + 4794707.

It is an arithmetic number, because the mean of its divisors is an integer number (2229228540).

Almost surely, 2^66353815302 is an apocalyptic number.

66353815302 is an abundant number, since it is smaller than the sum of its proper divisors (76316811258).

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

66353815302 is a wasteful number, since it uses less digits than its factorization.

66353815302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 66353815302 in words is "sixty-six billion, three hundred fifty-three million, eight hundred fifteen thousand, three hundred two".