65630562220620 has 36 divisors (see below), whose sum is σ = 199079372069760. Its totient is φ = 17501483258784.

The previous prime is 65630562220607. The next prime is 65630562220661. The reversal of 65630562220620 is 2602226503656.

It is a happy number.

65630562220620 is a `hidden beast` number, since 6 + 5 + 6 + 3 + 0 + 562 + 2 + 20 + 62 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182307117100 + ... + 182307117459.

Almost surely, 2^{65630562220620} is an apocalyptic number.

65630562220620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65630562220620 is an abundant number, since it is smaller than the sum of its proper divisors (133448809849140).

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

65630562220620 is a wasteful number, since it uses less digits than its factorization.

65630562220620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364614234574 (or 364614234569 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 65630562220620 in words is "sixty-five trillion, six hundred thirty billion, five hundred sixty-two million, two hundred twenty thousand, six hundred twenty".