16266664004 has 24 divisors (see below), whose sum is σ = 28583717400. Its totient is φ = 8099920640.

The previous prime is 16266663991. The next prime is 16266664033. The reversal of 16266664004 is 40046666261.

It can be written as a sum of positive squares in 4 ways, for example, as 6781851904 + 9484812100 = 82352^2 + 97390^2 .

It is a super-4 number, since 4×16266664004⁴ (a number of 42 digits) contains 4444 as substring.

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, 3132242 + ... + 3137430.

It is an arithmetic number, because the mean of its divisors is an integer number (1190988225).

Almost surely, 2^16266664004 is an apocalyptic number.

It is an amenable number.

16266664004 is a deficient number, since it is larger than the sum of its proper divisors (12317053396).

16266664004 is a wasteful number, since it uses less digits than its factorization.

16266664004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263 (or 8261 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 16266664004 in words is "sixteen billion, two hundred sixty-six million, six hundred sixty-four thousand, four".