61266185413 has 8 divisors (see below), whose sum is σ = 62997056640. Its totient is φ = 59539263120.

The previous prime is 61266185411. The next prime is 61266185429. The reversal of 61266185413 is 31458166216.

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 61266185413 - 2¹ = 61266185411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61266185413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61266185411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955753 + ... + 1017838.

It is an arithmetic number, because the mean of its divisors is an integer number (7874632080).

Almost surely, 2^61266185413 is an apocalyptic number.

It is an amenable number.

61266185413 is a deficient number, since it is larger than the sum of its proper divisors (1730871227).

61266185413 is a wasteful number, since it uses less digits than its factorization.

61266185413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974467.

The product of its digits is 207360, while the sum is 43.

The spelling of 61266185413 in words is "sixty-one billion, two hundred sixty-six million, one hundred eighty-five thousand, four hundred thirteen".