65620984962 has 32 divisors (see below), whose sum is σ = 143447032512. Its totient is φ = 19889711424.

The previous prime is 65620984939. The next prime is 65620984967. The reversal of 65620984962 is 26948902656.

It is a happy number.

It is a super-2 number, since 2×65620984962² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65620984967) 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, 6273093 + ... + 6283544.

It is an arithmetic number, because the mean of its divisors is an integer number (4482719766).

Almost surely, 2^65620984962 is an apocalyptic number.

65620984962 is an abundant number, since it is smaller than the sum of its proper divisors (77826047550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65620984962 is a wasteful number, since it uses less digits than its factorization.

65620984962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12556722.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 65620984962 in words is "sixty-five billion, six hundred twenty million, nine hundred eighty-four thousand, nine hundred sixty-two".