16263040626 has 128 divisors (see below), whose sum is σ = 41812623360. Its totient is φ = 4589597376.

The previous prime is 16263040613. The next prime is 16263040637. The reversal of 16263040626 is 62604036261.

16263040626 is a `hidden beast` number, since 1 + 6 + 26 + 3 + 0 + 4 + 0 + 626 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13297051 + ... + 13298273.

It is an arithmetic number, because the mean of its divisors is an integer number (326661120).

Almost surely, 2^16263040626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16263040626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20906311680).

16263040626 is an abundant number, since it is smaller than the sum of its proper divisors (25549582734).

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

16263040626 is a wasteful number, since it uses less digits than its factorization.

16263040626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 16263040626 its reverse (62604036261), we get a palindrome (78867076887).

The spelling of 16263040626 in words is "sixteen billion, two hundred sixty-three million, forty thousand, six hundred twenty-six".