2161460205356 has 24 divisors (see below), whose sum is σ = 3933961120320. Its totient is φ = 1038210780672.

The previous prime is 2161460205323. The next prime is 2161460205383. The reversal of 2161460205356 is 6535020641612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92421605 + ... + 92444988.

It is an arithmetic number, because the mean of its divisors is an integer number (163915046680).

Almost surely, 2^{2161460205356} is an apocalyptic number.

It is an amenable number.

2161460205356 is a deficient number, since it is larger than the sum of its proper divisors (1772500914964).

2161460205356 is a wasteful number, since it uses less digits than its factorization.

2161460205356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184866713 (or 184866711 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 2161460205356 its reverse (6535020641612), we get a palindrome (8696480846968).

The spelling of 2161460205356 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, two hundred five thousand, three hundred fifty-six".