65620322075 has 24 divisors (see below), whose sum is σ = 101447316480. Its totient is φ = 40906173600.

The previous prime is 65620322051. The next prime is 65620322077. The reversal of 65620322075 is 57022302656.

It is a happy number.

It is not a de Polignac number, because 65620322075 - 2¹² = 65620317979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65620322077) 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, 17042315 + ... + 17046164.

It is an arithmetic number, because the mean of its divisors is an integer number (4226971520).

Almost surely, 2^65620322075 is an apocalyptic number.

65620322075 is a deficient number, since it is larger than the sum of its proper divisors (35826994405).

65620322075 is a wasteful number, since it uses less digits than its factorization.

65620322075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34088507 (or 34088502 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 65620322075 in words is "sixty-five billion, six hundred twenty million, three hundred twenty-two thousand, seventy-five".