65630914187 has 12 divisors (see below), whose sum is σ = 70456632840. Its totient is φ = 60924019968.

The previous prime is 65630914177. The next prime is 65630914249. The reversal of 65630914187 is 78141903656.

It is not a de Polignac number, because 65630914187 - 2⁴ = 65630914171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65630914117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271637 + ... + 452822.

It is an arithmetic number, because the mean of its divisors is an integer number (5871386070).

Almost surely, 2^65630914187 is an apocalyptic number.

65630914187 is a deficient number, since it is larger than the sum of its proper divisors (4825718653).

65630914187 is an equidigital number, since it uses as much as digits as its factorization.

65630914187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724622 (or 724549 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 65630914187 in words is "sixty-five billion, six hundred thirty million, nine hundred fourteen thousand, one hundred eighty-seven".