61366256 has 40 divisors (see below), whose sum is σ = 136360320. Its totient is φ = 26207424.

The previous prime is 61366247. The next prime is 61366259. The reversal of 61366256 is 65266316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61366259) 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, 38075 + ... + 39653.

It is an arithmetic number, because the mean of its divisors is an integer number (3409008).

Almost surely, 2^61366256 is an apocalyptic number.

It is an amenable number.

61366256 is an abundant number, since it is smaller than the sum of its proper divisors (74994064).

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

61366256 is a wasteful number, since it uses less digits than its factorization.

61366256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1935 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 61366256 is about 7833.6617236130. The cubic root of 61366256 is about 394.4359968626.

The spelling of 61366256 in words is "sixty-one million, three hundred sixty-six thousand, two hundred fifty-six".