612366661105 has 8 divisors (see below), whose sum is σ = 735415443432. Its totient is φ = 489509695488.

The previous prime is 612366661099. The next prime is 612366661177. The reversal of 612366661105 is 501166663216.

It can be written as a sum of positive squares in 4 ways, for example, as 53985593104 + 558381068001 = 232348^2 + 747249^2 .

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 612366661105 - 2¹³ = 612366652913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47947152 + ... + 47959921.

It is an arithmetic number, because the mean of its divisors is an integer number (91926930429).

Almost surely, 2^612366661105 is an apocalyptic number.

It is an amenable number.

612366661105 is a deficient number, since it is larger than the sum of its proper divisors (123048782327).

612366661105 is a wasteful number, since it uses less digits than its factorization.

612366661105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95908355.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 612366661105 in words is "six hundred twelve billion, three hundred sixty-six million, six hundred sixty-one thousand, one hundred five".