61810112 has 56 divisors (see below), whose sum is σ = 150973536. Its totient is φ = 24450048.

The previous prime is 61810093. The next prime is 61810127. The reversal of 61810112 is 21101816.

61810112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518 + ... + 11130.

It is an arithmetic number, because the mean of its divisors is an integer number (2695956).

Almost surely, 2^61810112 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 61810112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75486768).

61810112 is an abundant number, since it is smaller than the sum of its proper divisors (89163424).

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

61810112 is a wasteful number, since it uses less digits than its factorization.

61810112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10645 (or 10635 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 61810112 is about 7861.9407273268. The cubic root of 61810112 is about 395.3846853249.

Adding to 61810112 its reverse (21101816), we get a palindrome (82911928).

The spelling of 61810112 in words is "sixty-one million, eight hundred ten thousand, one hundred twelve".