61044716417 has 8 divisors (see below), whose sum is σ = 61138634760. Its totient is φ = 60950855680.

The previous prime is 61044716393. The next prime is 61044716471. The reversal of 61044716417 is 71461744016.

It can be written as a sum of positive squares in 4 ways, for example, as 6756182416 + 54288534001 = 82196^2 + 232999^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61044716417 - 2¹⁶ = 61044650881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61044716017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412809 + ... + 2437977.

It is an arithmetic number, because the mean of its divisors is an integer number (7642329345).

Almost surely, 2^61044716417 is an apocalyptic number.

It is an amenable number.

61044716417 is a deficient number, since it is larger than the sum of its proper divisors (93918343).

61044716417 is a wasteful number, since it uses less digits than its factorization.

61044716417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28803.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 61044716417 in words is "sixty-one billion, forty-four million, seven hundred sixteen thousand, four hundred seventeen".