61244656 has 20 divisors (see below), whose sum is σ = 129449304. Its totient is φ = 27838400.

The previous prime is 61244641. The next prime is 61244663. The reversal of 61244656 is 65644216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173815 + ... + 174166.

Almost surely, 2^61244656 is an apocalyptic number.

It is an amenable number.

61244656 is an abundant number, since it is smaller than the sum of its proper divisors (68204648).

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

61244656 is a wasteful number, since it uses less digits than its factorization.

61244656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348000 (or 347994 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 61244656 is about 7825.8964981656. The cubic root of 61244656 is about 394.1752936910.

The spelling of 61244656 in words is "sixty-one million, two hundred forty-four thousand, six hundred fifty-six".