16264403426 has 4 divisors (see below), whose sum is σ = 24396605142. Its totient is φ = 8132201712.

The previous prime is 16264403423. The next prime is 16264403429. The reversal of 16264403426 is 62430446261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62430446261 = 29 ⋅2152774009.

It is an interprime number because it is at equal distance from previous prime (16264403423) and next prime (16264403429).

It can be written as a sum of positive squares in only one way, i.e., 15092368201 + 1172035225 = 122851^2 + 34235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16264403426.

It is not an unprimeable number, because it can be changed into a prime (16264403423) 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 as a sum of consecutive naturals, namely, 4066100855 + ... + 4066100858.

Almost surely, 2^16264403426 is an apocalyptic number.

16264403426 is a deficient number, since it is larger than the sum of its proper divisors (8132201716).

16264403426 is an equidigital number, since it uses as much as digits as its factorization.

16264403426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132201715.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 16264403426 its reverse (62430446261), we get a palindrome (78694849687).

The spelling of 16264403426 in words is "sixteen billion, two hundred sixty-four million, four hundred three thousand, four hundred twenty-six".