65734494879560 has 128 divisors (see below), whose sum is σ = 165002921717760. Its totient is φ = 23404666521600.

The previous prime is 65734494879553. The next prime is 65734494879583. The reversal of 65734494879560 is 6597849443756.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2726192 + ... + 11785631.

It is an arithmetic number, because the mean of its divisors is an integer number (1289085325920).

Almost surely, 2^{65734494879560} is an apocalyptic number.

It is an amenable number.

65734494879560 is an abundant number, since it is smaller than the sum of its proper divisors (99268426838200).

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

65734494879560 is a wasteful number, since it uses less digits than its factorization.

65734494879560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14512159 (or 14512155 counting only the distinct ones).

The product of its (nonzero) digits is 5486745600, while the sum is 77.

The spelling of 65734494879560 in words is "sixty-five trillion, seven hundred thirty-four billion, four hundred ninety-four million, eight hundred seventy-nine thousand, five hundred sixty".