61356656 has 20 divisors (see below), whose sum is σ = 122092632. Its totient is φ = 29848896.

The previous prime is 61356653. The next prime is 61356661. The reversal of 61356656 is 65665316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61356653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51230 + ... + 52413.

Almost surely, 2^61356656 is an apocalyptic number.

It is an amenable number.

61356656 is a deficient number, since it is larger than the sum of its proper divisors (60735976).

61356656 is a wasteful number, since it uses less digits than its factorization.

61356656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103688 (or 103682 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 61356656 is about 7833.0489593772. The cubic root of 61356656 is about 394.4154275612.

The spelling of 61356656 in words is "sixty-one million, three hundred fifty-six thousand, six hundred fifty-six".