61051338 has 96 divisors (see below), whose sum is σ = 146644992. Its totient is φ = 18295200.

The previous prime is 61051303. The next prime is 61051339. The reversal of 61051338 is 83315016.

61051338 is a `hidden beast` number, since 610 + 5 + 13 + 38 = 666.

61051338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61051339) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 859843 + ... + 859913.

It is an arithmetic number, because the mean of its divisors is an integer number (1527552).

Almost surely, 2^61051338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61051338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73322496).

61051338 is an abundant number, since it is smaller than the sum of its proper divisors (85593654).

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

61051338 is a wasteful number, since it uses less digits than its factorization.

61051338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 61051338 is about 7813.5355633669. The cubic root of 61051338 is about 393.7601200725.

The spelling of 61051338 in words is "sixty-one million, fifty-one thousand, three hundred thirty-eight".