65648732292 has 72 divisors (see below), whose sum is σ = 194956856640. Its totient is φ = 18363280320.

The previous prime is 65648732267. The next prime is 65648732297. The reversal of 65648732292 is 29223784656.

65648732292 is a `hidden beast` number, since 6 + 56 + 487 + 3 + 22 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (65648732297) 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, 6370992 + ... + 6381287.

It is an arithmetic number, because the mean of its divisors is an integer number (2707734120).

Almost surely, 2^65648732292 is an apocalyptic number.

It is an amenable number.

65648732292 is an abundant number, since it is smaller than the sum of its proper divisors (129308124348).

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

65648732292 is a wasteful number, since it uses less digits than its factorization.

65648732292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752313 (or 12752308 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 65648732292 in words is "sixty-five billion, six hundred forty-eight million, seven hundred thirty-two thousand, two hundred ninety-two".