16516266466 has 64 divisors (see below), whose sum is σ = 29803124736. Its totient is φ = 6711724800.

The previous prime is 16516266463. The next prime is 16516266467. The reversal of 16516266466 is 66466261561.

It is a happy number.

It is a super-2 number, since 2×16516266466² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16516266463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25685941 + ... + 25686583.

It is an arithmetic number, because the mean of its divisors is an integer number (465673824).

Almost surely, 2^16516266466 is an apocalyptic number.

16516266466 is a deficient number, since it is larger than the sum of its proper divisors (13286858270).

16516266466 is a wasteful number, since it uses less digits than its factorization.

16516266466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its digits is 1866240, while the sum is 49.

The spelling of 16516266466 in words is "sixteen billion, five hundred sixteen million, two hundred sixty-six thousand, four hundred sixty-six".