1626220116 has 36 divisors (see below), whose sum is σ = 4198189632. Its totient is φ = 530539344.

The previous prime is 1626220111. The next prime is 1626220151. The reversal of 1626220116 is 6110226261.

1626220116 is a `hidden beast` number, since 1 + 626 + 2 + 20 + 1 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1626220116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626220111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478870 + ... + 482253.

Almost surely, 2^1626220116 is an apocalyptic number.

It is an amenable number.

1626220116 is an abundant number, since it is smaller than the sum of its proper divisors (2571969516).

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

1626220116 is a wasteful number, since it uses less digits than its factorization.

1626220116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961180 (or 961175 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1626220116 is about 40326.4195782368. The cubic root of 1626220116 is about 1175.9615165111.

Adding to 1626220116 its reverse (6110226261), we get a palindrome (7736446377).

The spelling of 1626220116 in words is "one billion, six hundred twenty-six million, two hundred twenty thousand, one hundred sixteen".