61223102676 has 72 divisors (see below), whose sum is σ = 160768584704. Its totient is φ = 19623539520.

The previous prime is 61223102641. The next prime is 61223102737. The reversal of 61223102676 is 67620132216.

61223102676 is a `hidden beast` number, since 61 + 22 + 310 + 267 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61223102676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501 + ... + 349923.

Almost surely, 2^61223102676 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 61223102676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80384292352).

61223102676 is an abundant number, since it is smaller than the sum of its proper divisors (99545482028).

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

61223102676 is a wasteful number, since it uses less digits than its factorization.

61223102676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349621 (or 349616 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 61223102676 in words is "sixty-one billion, two hundred twenty-three million, one hundred two thousand, six hundred seventy-six".