61554233245516 has 48 divisors (see below), whose sum is σ = 119198922700032. Its totient is φ = 27580138712000.

The previous prime is 61554233245511. The next prime is 61554233245543.

61554233245516 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (61554233245511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29500216 + ... + 31517791.

It is an arithmetic number, because the mean of its divisors is an integer number (2483310889584).

Almost surely, 2^{61554233245516} is an apocalyptic number.

It is an amenable number.

61554233245516 is a deficient number, since it is larger than the sum of its proper divisors (57644689454516).

61554233245516 is a wasteful number, since it uses less digits than its factorization.

61554233245516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61018350 (or 61018348 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 52.

The spelling of 61554233245516 in words is "sixty-one trillion, five hundred fifty-four billion, two hundred thirty-three million, two hundred forty-five thousand, five hundred sixteen".