61642512707260 has 12 divisors (see below), whose sum is σ = 129449276685288. Its totient is φ = 24657005082896.

The previous prime is 61642512707221. The next prime is 61642512707317. The reversal of 61642512707260 is 6270721524616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541062817662 + ... + 1541062817701.

It is an arithmetic number, because the mean of its divisors is an integer number (10787439723774).

Almost surely, 2^{61642512707260} is an apocalyptic number.

It is an amenable number.

61642512707260 is an abundant number, since it is smaller than the sum of its proper divisors (67806763978028).

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

61642512707260 is a wasteful number, since it uses less digits than its factorization.

61642512707260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082125635372 (or 3082125635370 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 61642512707260 in words is "sixty-one trillion, six hundred forty-two billion, five hundred twelve million, seven hundred seven thousand, two hundred sixty".