65274047667220 has 72 divisors (see below), whose sum is σ = 163163433543264. Its totient is φ = 21859215948864.

The previous prime is 65274047667193. The next prime is 65274047667233. The reversal of 65274047667220 is 2276674047256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774448222 + ... + 774532501.

It is an arithmetic number, because the mean of its divisors is an integer number (2266158799212).

Almost surely, 2^{65274047667220} is an apocalyptic number.

It is an amenable number.

65274047667220 is an abundant number, since it is smaller than the sum of its proper divisors (97889385876044).

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

65274047667220 is a wasteful number, since it uses less digits than its factorization.

65274047667220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548980789 (or 1548980780 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 58.

The spelling of 65274047667220 in words is "sixty-five trillion, two hundred seventy-four billion, forty-seven million, six hundred sixty-seven thousand, two hundred twenty".