61335170655 has 64 divisors (see below), whose sum is σ = 116419120128. Its totient is φ = 27232450560.

The previous prime is 61335170651. The next prime is 61335170759. The reversal of 61335170655 is 55607153316.

It is not a de Polignac number, because 61335170655 - 2² = 61335170651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61335170651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191707 + ... + 399276.

It is an arithmetic number, because the mean of its divisors is an integer number (1819048752).

Almost surely, 2^61335170655 is an apocalyptic number.

61335170655 is a deficient number, since it is larger than the sum of its proper divisors (55083949473).

61335170655 is a wasteful number, since it uses less digits than its factorization.

61335170655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591056.

The product of its (nonzero) digits is 283500, while the sum is 42.

The spelling of 61335170655 in words is "sixty-one billion, three hundred thirty-five million, one hundred seventy thousand, six hundred fifty-five".