18068376207630 has 128 divisors (see below), whose sum is σ = 50166505267200. Its totient is φ = 4079307729024.

The previous prime is 18068376207619. The next prime is 18068376207631. The reversal of 18068376207630 is 3670267386081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18068376207631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85632801 + ... + 85843539.

It is an arithmetic number, because the mean of its divisors is an integer number (391925822400).

Almost surely, 2^{18068376207630} is an apocalyptic number.

18068376207630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18068376207630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25083252633600).

18068376207630 is an abundant number, since it is smaller than the sum of its proper divisors (32098129059570).

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

18068376207630 is a wasteful number, since it uses less digits than its factorization.

18068376207630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215758.

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 18068376207630 in words is "eighteen trillion, sixty-eight billion, three hundred seventy-six million, two hundred seven thousand, six hundred thirty".