61613714241744 has 80 divisors (see below), whose sum is σ = 181982233915392. Its totient is φ = 17596652782464.

The previous prime is 61613714241743. The next prime is 61613714241757. The reversal of 61613714241744 is 44714241731616.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61613714241743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37026184 + ... + 38654439.

Almost surely, 2^{61613714241744} is an apocalyptic number.

It is an amenable number.

61613714241744 is an abundant number, since it is smaller than the sum of its proper divisors (120368519673648).

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

61613714241744 is a wasteful number, since it uses less digits than its factorization.

61613714241744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75683064 (or 75683058 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 61613714241744 in words is "sixty-one trillion, six hundred thirteen billion, seven hundred fourteen million, two hundred forty-one thousand, seven hundred forty-four".