61276656 has 60 divisors (see below), whose sum is σ = 184149672. Its totient is φ = 17506944.

The previous prime is 61276651. The next prime is 61276679. The reversal of 61276656 is 65667216.

61276656 is nontrivially palindromic in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61276651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10675 + ... + 15378.

Almost surely, 2^61276656 is an apocalyptic number.

It is an amenable number.

61276656 is an abundant number, since it is smaller than the sum of its proper divisors (122873016).

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

61276656 is a wasteful number, since it uses less digits than its factorization.

61276656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26078 (or 26065 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 61276656 is about 7827.9407253760. The cubic root of 61276656 is about 394.2439332209.

The spelling of 61276656 in words is "sixty-one million, two hundred seventy-six thousand, six hundred fifty-six".