16364664826 has 16 divisors (see below), whose sum is σ = 25073794944. Its totient is φ = 8006796064.

The previous prime is 16364664821. The next prime is 16364664913. The reversal of 16364664826 is 62846646361.

It is a super-2 number, since 2×16364664826² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16364664821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664041 + ... + 688243.

It is an arithmetic number, because the mean of its divisors is an integer number (1567112184).

Almost surely, 2^16364664826 is an apocalyptic number.

16364664826 is a deficient number, since it is larger than the sum of its proper divisors (8709130118).

16364664826 is a wasteful number, since it uses less digits than its factorization.

16364664826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31445.

The product of its digits is 5971968, while the sum is 52.

The spelling of 16364664826 in words is "sixteen billion, three hundred sixty-four million, six hundred sixty-four thousand, eight hundred twenty-six".