65840950632 has 64 divisors (see below), whose sum is σ = 180294724800. Its totient is φ = 19943705600.

The previous prime is 65840950627. The next prime is 65840950691. The reversal of 65840950632 is 23605904856.

It is a super-2 number, since 2×65840950632² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770494 + ... + 2794157.

It is an arithmetic number, because the mean of its divisors is an integer number (2817105075).

Almost surely, 2^65840950632 is an apocalyptic number.

It is an amenable number.

65840950632 is an abundant number, since it is smaller than the sum of its proper divisors (114453774168).

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

65840950632 is a wasteful number, since it uses less digits than its factorization.

65840950632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564706 (or 5564702 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 65840950632 in words is "sixty-five billion, eight hundred forty million, nine hundred fifty thousand, six hundred thirty-two".