65164646007 has 24 divisors (see below), whose sum is σ = 99704391696. Its totient is φ = 40870876416.

The previous prime is 65164645999. The next prime is 65164646021. The reversal of 65164646007 is 70064646156.

It is not a de Polignac number, because 65164646007 - 2³ = 65164645999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65164646077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293008 + ... + 464954.

It is an arithmetic number, because the mean of its divisors is an integer number (4154349654).

Almost surely, 2^65164646007 is an apocalyptic number.

65164646007 is a deficient number, since it is larger than the sum of its proper divisors (34539745689).

65164646007 is a wasteful number, since it uses less digits than its factorization.

65164646007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174447 (or 174444 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 65164646007 in words is "sixty-five billion, one hundred sixty-four million, six hundred forty-six thousand, seven".