61223313340416 has 96 divisors (see below), whose sum is σ = 163226276675280. Its totient is φ = 20407275159552.

The previous prime is 61223313340393. The next prime is 61223313340417. The reversal of 61223313340416 is 61404331332216.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×61223313340416³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61223313340417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322790826 + ... + 322980438.

Almost surely, 2^{61223313340416} is an apocalyptic number.

It is an amenable number.

61223313340416 is an abundant number, since it is smaller than the sum of its proper divisors (102002963334864).

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

61223313340416 is a wasteful number, since it uses less digits than its factorization.

61223313340416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242191 (or 242171 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 61223313340416 in words is "sixty-one trillion, two hundred twenty-three billion, three hundred thirteen million, three hundred forty thousand, four hundred sixteen".