61263036216 has 48 divisors (see below), whose sum is σ = 165983922000. Its totient is φ = 20413233792.

The previous prime is 61263036199. The next prime is 61263036223.

61263036216 is a `hidden beast` number, since 6 + 1 + 2 + 630 + 3 + 6 + 2 + 16 = 666.

61263036216 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29860 + ... + 351308.

It is an arithmetic number, because the mean of its divisors is an integer number (3457998375).

Almost surely, 2^61263036216 is an apocalyptic number.

It is an amenable number.

61263036216 is an abundant number, since it is smaller than the sum of its proper divisors (104720885784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61263036216 is a wasteful number, since it uses less digits than its factorization.

61263036216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324108 (or 324101 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

It can be divided in two parts, 612630 and 36216, that added together give a palindrome (648846).

The spelling of 61263036216 in words is "sixty-one billion, two hundred sixty-three million, thirty-six thousand, two hundred sixteen".