61301105736664 has 16 divisors (see below), whose sum is σ = 114956782455600. Its totient is φ = 30645963748512.

The previous prime is 61301105736599. The next prime is 61301105736749. The reversal of 61301105736664 is 46663750110316.

It is a super-2 number, since 2×61301105736664² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573583207 + ... + 573690070.

It is an arithmetic number, because the mean of its divisors is an integer number (7184798903475).

Almost surely, 2^{61301105736664} is an apocalyptic number.

It is an amenable number.

61301105736664 is a deficient number, since it is larger than the sum of its proper divisors (53655676718936).

61301105736664 is a wasteful number, since it uses less digits than its factorization.

61301105736664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147279962 (or 1147279958 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 61301105736664 in words is "sixty-one trillion, three hundred one billion, one hundred five million, seven hundred thirty-six thousand, six hundred sixty-four".