61386112 has 64 divisors (see below), whose sum is σ = 131947200. Its totient is φ = 28353024.

The previous prime is 61386097. The next prime is 61386121. The reversal of 61386112 is 21168316.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104283 + ... + 104869.

It is an arithmetic number, because the mean of its divisors is an integer number (2061675).

Almost surely, 2^61386112 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 61386112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65973600).

61386112 is an abundant number, since it is smaller than the sum of its proper divisors (70561088).

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

61386112 is a wasteful number, since it uses less digits than its factorization.

61386112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 651 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 61386112 is about 7834.9289722371. The cubic root of 61386112 is about 394.4785342281.

The spelling of 61386112 in words is "sixty-one million, three hundred eighty-six thousand, one hundred twelve".