65161051659 has 12 divisors (see below), whose sum is σ = 102678020952. Its totient is φ = 39491546400.

The previous prime is 65161051649. The next prime is 65161051673. The reversal of 65161051659 is 95615016156.

65161051659 is a `hidden beast` number, since 65 + 16 + 10 + 516 + 59 = 666.

It is not a de Polignac number, because 65161051659 - 2¹⁶ = 65160986123 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65161051609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329096122 + ... + 329096319.

It is an arithmetic number, because the mean of its divisors is an integer number (8556501746).

Almost surely, 2^65161051659 is an apocalyptic number.

65161051659 is a deficient number, since it is larger than the sum of its proper divisors (37516969293).

65161051659 is a wasteful number, since it uses less digits than its factorization.

65161051659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658192458 (or 658192455 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The spelling of 65161051659 in words is "sixty-five billion, one hundred sixty-one million, fifty-one thousand, six hundred fifty-nine".