18849886626 has 16 divisors (see below), whose sum is σ = 37706524128. Its totient is φ = 6282170400.

The previous prime is 18849886621. The next prime is 18849886669. The reversal of 18849886626 is 62668894881.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18849886621) 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, 244620 + ... + 312311.

It is an arithmetic number, because the mean of its divisors is an integer number (2356657758).

Almost surely, 2^18849886626 is an apocalyptic number.

18849886626 is an abundant number, since it is smaller than the sum of its proper divisors (18856637502).

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

18849886626 is a wasteful number, since it uses less digits than its factorization.

18849886626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562577.

The product of its digits is 63700992, while the sum is 66.

The spelling of 18849886626 in words is "eighteen billion, eight hundred forty-nine million, eight hundred eighty-six thousand, six hundred twenty-six".