61655022 has 96 divisors (see below), whose sum is σ = 166289760. Its totient is φ = 16220160.

The previous prime is 61655003. The next prime is 61655047. The reversal of 61655022 is 22055616.

61655022 is a `hidden beast` number, since 6 + 1 + 655 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43054 + ... + 44462.

It is an arithmetic number, because the mean of its divisors is an integer number (1732185).

Almost surely, 2^61655022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61655022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83144880).

61655022 is an abundant number, since it is smaller than the sum of its proper divisors (104634738).

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

61655022 is a wasteful number, since it uses less digits than its factorization.

61655022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 61655022 is about 7852.0711917302. The cubic root of 61655022 is about 395.0537169909.

The spelling of 61655022 in words is "sixty-one million, six hundred fifty-five thousand, twenty-two".