61347665107 has 8 divisors (see below), whose sum is σ = 61679705472. Its totient is φ = 61016265600.

The previous prime is 61347665053. The next prime is 61347665153. The reversal of 61347665107 is 70156674316.

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 61347665107 - 2¹¹ = 61347663059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61347665207) 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, 32382 + ... + 351772.

It is an arithmetic number, because the mean of its divisors is an integer number (7709963184).

Almost surely, 2^61347665107 is an apocalyptic number.

61347665107 is a deficient number, since it is larger than the sum of its proper divisors (332040365).

61347665107 is a wasteful number, since it uses less digits than its factorization.

61347665107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320429.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 61347665107 in words is "sixty-one billion, three hundred forty-seven million, six hundred sixty-five thousand, one hundred seven".