61682717680135 has 8 divisors (see below), whose sum is σ = 78373335405456. Its totient is φ = 46443458017920.

The previous prime is 61682717680123. The next prime is 61682717680183. The reversal of 61682717680135 is 53108671728616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61682717680135 - 2⁹ = 61682717679623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362839515681 + ... + 362839515850.

It is an arithmetic number, because the mean of its divisors is an integer number (9796666925682).

Almost surely, 2^{61682717680135} is an apocalyptic number.

61682717680135 is a deficient number, since it is larger than the sum of its proper divisors (16690617725321).

61682717680135 is a wasteful number, since it uses less digits than its factorization.

61682717680135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725679031553.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 61682717680135 in words is "sixty-one trillion, six hundred eighty-two billion, seven hundred seventeen million, six hundred eighty thousand, one hundred thirty-five".