63995066337165 has 16 divisors (see below), whose sum is σ = 102453899846208. Its totient is φ = 34110104144256.

The previous prime is 63995066337121. The next prime is 63995066337187. The reversal of 63995066337165 is 56173366059936.

It is not a de Polignac number, because 63995066337165 - 2⁶ = 63995066337101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63995066337165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287343207 + ... + 1287392916.

It is an arithmetic number, because the mean of its divisors is an integer number (6403368740388).

Almost surely, 2^{63995066337165} is an apocalyptic number.

It is an amenable number.

63995066337165 is a deficient number, since it is larger than the sum of its proper divisors (38458833509043).

63995066337165 is a wasteful number, since it uses less digits than its factorization.

63995066337165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574737788.

The product of its (nonzero) digits is 496011600, while the sum is 69.

The spelling of 63995066337165 in words is "sixty-three trillion, nine hundred ninety-five billion, sixty-six million, three hundred thirty-seven thousand, one hundred sixty-five".