65801663105 has 16 divisors (see below), whose sum is σ = 85551168384. Its totient is φ = 48392574720.

The previous prime is 65801663101. The next prime is 65801663131. The reversal of 65801663105 is 50136610856.

It is not a de Polignac number, because 65801663105 - 2² = 65801663101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65801663101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8997941 + ... + 9005250.

It is an arithmetic number, because the mean of its divisors is an integer number (5346948024).

Almost surely, 2^65801663105 is an apocalyptic number.

It is an amenable number.

65801663105 is a deficient number, since it is larger than the sum of its proper divisors (19749505279).

65801663105 is a wasteful number, since it uses less digits than its factorization.

65801663105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18003256.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 65801663105 in words is "sixty-five billion, eight hundred one million, six hundred sixty-three thousand, one hundred five".