65612242398 has 16 divisors (see below), whose sum is σ = 131425448976. Its totient is φ = 21837253440.

The previous prime is 65612242387. The next prime is 65612242403. The reversal of 65612242398 is 89324221656.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8369263 + ... + 8377098.

It is an arithmetic number, because the mean of its divisors is an integer number (8214090561).

Almost surely, 2^65612242398 is an apocalyptic number.

65612242398 is an abundant number, since it is smaller than the sum of its proper divisors (65813206578).

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

65612242398 is a wasteful number, since it uses less digits than its factorization.

65612242398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747019.

The product of its digits is 1244160, while the sum is 48.

The spelling of 65612242398 in words is "sixty-five billion, six hundred twelve million, two hundred forty-two thousand, three hundred ninety-eight".