61026410655 has 24 divisors (see below), whose sum is σ = 120890414112. Its totient is φ = 27897787584.

The previous prime is 61026410647. The next prime is 61026410689. The reversal of 61026410655 is 55601462016.

61026410655 is a `hidden beast` number, since 6 + 1 + 0 + 2 + 641 + 0 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 61026410655 - 2³ = 61026410647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96867004 + ... + 96867633.

It is an arithmetic number, because the mean of its divisors is an integer number (5037100588).

Almost surely, 2^61026410655 is an apocalyptic number.

61026410655 is a deficient number, since it is larger than the sum of its proper divisors (59864003457).

61026410655 is a wasteful number, since it uses less digits than its factorization.

61026410655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193734655 (or 193734652 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 61026410655 in words is "sixty-one billion, twenty-six million, four hundred ten thousand, six hundred fifty-five".