12161370605064 has 16 divisors (see below), whose sum is σ = 30403426512720. Its totient is φ = 4053790201680.

The previous prime is 12161370605057. The next prime is 12161370605171. The reversal of 12161370605064 is 46050607316121.

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, 253361887582 + ... + 253361887629.

It is an arithmetic number, because the mean of its divisors is an integer number (1900214157045).

Almost surely, 2^{12161370605064} is an apocalyptic number.

It is an amenable number.

12161370605064 is an abundant number, since it is smaller than the sum of its proper divisors (18242055907656).

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

12161370605064 is a wasteful number, since it uses less digits than its factorization.

12161370605064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506723775220 (or 506723775216 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12161370605064 in words is "twelve trillion, one hundred sixty-one billion, three hundred seventy million, six hundred five thousand, sixty-four".