61143241684 has 24 divisors (see below), whose sum is σ = 122460968448. Its totient is φ = 26166856800.

The previous prime is 61143241681. The next prime is 61143241697. The reversal of 61143241684 is 48614234116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61143241681) 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, 1537924 + ... + 1577179.

It is an arithmetic number, because the mean of its divisors is an integer number (5102540352).

Almost surely, 2^61143241684 is an apocalyptic number.

It is an amenable number.

61143241684 is an abundant number, since it is smaller than the sum of its proper divisors (61317726764).

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

61143241684 is a wasteful number, since it uses less digits than its factorization.

61143241684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115815 (or 3115813 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The spelling of 61143241684 in words is "sixty-one billion, one hundred forty-three million, two hundred forty-one thousand, six hundred eighty-four".