2161460066056 has 32 divisors (see below), whose sum is σ = 4291251194880. Its totient is φ = 1017129888000.

The previous prime is 2161460065979. The next prime is 2161460066057. The reversal of 2161460066056 is 6506600641612.

It is not an unprimeable number, because it can be changed into a prime (2161460066057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5290801 + ... + 5684671.

It is an arithmetic number, because the mean of its divisors is an integer number (134101599840).

Almost surely, 2^{2161460066056} is an apocalyptic number.

It is an amenable number.

2161460066056 is a deficient number, since it is larger than the sum of its proper divisors (2129791128824).

2161460066056 is a wasteful number, since it uses less digits than its factorization.

2161460066056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434245 (or 434241 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 2161460066056 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, sixty-six thousand, fifty-six".