16266607407 has 8 divisors (see below), whose sum is σ = 24098677680. Its totient is φ = 10844404920.

The previous prime is 16266607397. The next prime is 16266607429. The reversal of 16266607407 is 70470666261.

It is a happy number.

It is not a de Polignac number, because 16266607407 - 2¹⁴ = 16266591023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16266607207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301233444 + ... + 301233497.

It is an arithmetic number, because the mean of its divisors is an integer number (3012334710).

Almost surely, 2^16266607407 is an apocalyptic number.

16266607407 is a deficient number, since it is larger than the sum of its proper divisors (7832070273).

16266607407 is an equidigital number, since it uses as much as digits as its factorization.

16266607407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602466950 (or 602466944 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 16266607407 in words is "sixteen billion, two hundred sixty-six million, six hundred seven thousand, four hundred seven".