16263626616 has 24 divisors (see below), whose sum is σ = 44047322280. Its totient is φ = 5421208848.

The previous prime is 16263626609. The next prime is 16263626681. The reversal of 16263626616 is 61662636261.

16263626616 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 3 + 6 + 26 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16263626616² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112941780 + ... + 112941923.

It is an arithmetic number, because the mean of its divisors is an integer number (1835305095).

Almost surely, 2^16263626616 is an apocalyptic number.

It is an amenable number.

16263626616 is an abundant number, since it is smaller than the sum of its proper divisors (27783695664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16263626616 is a wasteful number, since it uses less digits than its factorization.

16263626616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225883715 (or 225883708 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 16263626616 in words is "sixteen billion, two hundred sixty-three million, six hundred twenty-six thousand, six hundred sixteen".