16466265243 has 48 divisors (see below), whose sum is σ = 24908083200. Its totient is φ = 10471934592.

The previous prime is 16466265239. The next prime is 16466265269. The reversal of 16466265243 is 34256266461.

It is a happy number.

16466265243 is a `hidden beast` number, since 1 + 64 + 6 + 62 + 6 + 524 + 3 = 666.

It is not a de Polignac number, because 16466265243 - 2² = 16466265239 is a prime.

It is a super-2 number, since 2×16466265243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16466265293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15696583 + ... + 15697631.

It is an arithmetic number, because the mean of its divisors is an integer number (518918400).

Almost surely, 2^16466265243 is an apocalyptic number.

16466265243 is a deficient number, since it is larger than the sum of its proper divisors (8441817957).

16466265243 is a wasteful number, since it uses less digits than its factorization.

16466265243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2005 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 16466265243 in words is "sixteen billion, four hundred sixty-six million, two hundred sixty-five thousand, two hundred forty-three".