61606700402884 has 96 divisors (see below), whose sum is σ = 135134771821056. Its totient is φ = 23924679367680.

The previous prime is 61606700402833. The next prime is 61606700402909. The reversal of 61606700402884 is 48820400760616.

61606700402884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 31 ways as a sum of consecutive naturals, for example, 8410584 + ... + 13926640.

It is an arithmetic number, because the mean of its divisors is an integer number (1407653873136).

Almost surely, 2^{61606700402884} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61606700402884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67567385910528).

61606700402884 is an abundant number, since it is smaller than the sum of its proper divisors (73528071418172).

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

61606700402884 is a wasteful number, since it uses less digits than its factorization.

61606700402884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516645 (or 5516643 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 61606700402884 in words is "sixty-one trillion, six hundred six billion, seven hundred million, four hundred two thousand, eight hundred eighty-four".