2161460663063 has 4 divisors (see below), whose sum is σ = 2327726867928. Its totient is φ = 1995194458200.

The previous prime is 2161460663029. The next prime is 2161460663069. The reversal of 2161460663063 is 3603660641612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2161460663063 - 2¹⁸ = 2161460400919 is a prime.

It is a super-2 number, since 2×2161460663063² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161460663069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83133102413 + ... + 83133102438.

It is an arithmetic number, because the mean of its divisors is an integer number (581931716982).

Almost surely, 2^{2161460663063} is an apocalyptic number.

2161460663063 is a deficient number, since it is larger than the sum of its proper divisors (166266204865).

2161460663063 is a wasteful number, since it uses less digits than its factorization.

2161460663063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166266204864.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 2161460663063 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, six hundred sixty-three thousand, sixty-three".