61182082880 has 112 divisors (see below), whose sum is σ = 152414386560. Its totient is φ = 23348717568.

The previous prime is 61182082873. The next prime is 61182082883. The reversal of 61182082880 is 8828028116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61182082883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2911451 + ... + 2932389.

Almost surely, 2^61182082880 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 61182082880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76207193280).

61182082880 is an abundant number, since it is smaller than the sum of its proper divisors (91232303680).

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

61182082880 is a wasteful number, since it uses less digits than its factorization.

61182082880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376 (or 21366 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 44.

The spelling of 61182082880 in words is "sixty-one billion, one hundred eighty-two million, eighty-two thousand, eight hundred eighty".