61330828563603 has 24 divisors (see below), whose sum is σ = 93805472346768. Its totient is φ = 38479880673792.

The previous prime is 61330828563517. The next prime is 61330828563619. The reversal of 61330828563603 is 30636582803316.

It is a happy number.

61330828563603 is a `hidden beast` number, since 6 + 1 + 3 + 3 + 0 + 8 + 28 + 5 + 6 + 3 + 603 = 666.

It is not a de Polignac number, because 61330828563603 - 2¹⁶ = 61330828498067 is a prime.

It is a super-2 number, since 2×61330828563603² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61330828563603.

It is not an unprimeable number, because it can be changed into a prime (61330828563203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8821650 + ... + 14159207.

It is an arithmetic number, because the mean of its divisors is an integer number (3908561347782).

Almost surely, 2^{61330828563603} is an apocalyptic number.

61330828563603 is a deficient number, since it is larger than the sum of its proper divisors (32474643783165).

61330828563603 is a wasteful number, since it uses less digits than its factorization.

61330828563603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22998323 (or 22998320 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 61330828563603 in words is "sixty-one trillion, three hundred thirty billion, eight hundred twenty-eight million, five hundred sixty-three thousand, six hundred three".