61335170656 has 12 divisors (see below), whose sum is σ = 120753617292. Its totient is φ = 30667585312.

The previous prime is 61335170651. The next prime is 61335170759. The reversal of 61335170656 is 65607153316.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958362010 + ... + 958362073.

It is an arithmetic number, because the mean of its divisors is an integer number (10062801441).

Almost surely, 2^61335170656 is an apocalyptic number.

It is an amenable number.

61335170656 is a deficient number, since it is larger than the sum of its proper divisors (59418446636).

61335170656 is a wasteful number, since it uses less digits than its factorization.

61335170656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916724093 (or 1916724085 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 61335170656 in words is "sixty-one billion, three hundred thirty-five million, one hundred seventy thousand, six hundred fifty-six".