61024656 has 240 divisors, whose sum is σ = 211097600. Its totient is φ = 14826240.

The previous prime is 61024651. The next prime is 61024661. The reversal of 61024656 is 65642016.

It is an interprime number because it is at equal distance from previous prime (61024651) and next prime (61024661).

It is not an unprimeable number, because it can be changed into a prime (61024651) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 772425 + ... + 772503.

Almost surely, 2^61024656 is an apocalyptic number.

61024656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61024656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105548800).

61024656 is an abundant number, since it is smaller than the sum of its proper divisors (150072944).

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

61024656 is a wasteful number, since it uses less digits than its factorization.

61024656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61024656 is about 7811.8279550948. The cubic root of 61024656 is about 393.7027484745.

The spelling of 61024656 in words is "sixty-one million, twenty-four thousand, six hundred fifty-six".