66350707996 has 12 divisors (see below), whose sum is σ = 116526957120. Its totient is φ = 33057291680.

The previous prime is 66350707987. The next prime is 66350708009. The reversal of 66350707996 is 69970705366.

It is a self number, because there is not a number n which added to its sum of digits gives 66350707996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29514316 + ... + 29516563.

It is an arithmetic number, because the mean of its divisors is an integer number (9710579760).

Almost surely, 2^66350707996 is an apocalyptic number.

It is an amenable number.

66350707996 is a deficient number, since it is larger than the sum of its proper divisors (50176249124).

66350707996 is a wasteful number, since it uses less digits than its factorization.

66350707996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59031164 (or 59031162 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 58.

The spelling of 66350707996 in words is "sixty-six billion, three hundred fifty million, seven hundred seven thousand, nine hundred ninety-six".