65922089065 has 128 divisors (see below), whose sum is σ = 104714726400. Its totient is φ = 38845771776.

The previous prime is 65922088877. The next prime is 65922089069. The reversal of 65922089065 is 56098022956.

It is a happy number.

It is not a de Polignac number, because 65922089065 - 2¹⁷ = 65921957993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65922089069) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 118351767 + ... + 118352323.

It is an arithmetic number, because the mean of its divisors is an integer number (818083800).

Almost surely, 2^65922089065 is an apocalyptic number.

It is an amenable number.

65922089065 is a deficient number, since it is larger than the sum of its proper divisors (38792637335).

65922089065 is a wasteful number, since it uses less digits than its factorization.

65922089065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 65922089065 in words is "sixty-five billion, nine hundred twenty-two million, eighty-nine thousand, sixty-five".