18208120062 has 128 divisors (see below), whose sum is σ = 44551876608. Its totient is φ = 4892659200.

The previous prime is 18208120043. The next prime is 18208120067. The reversal of 18208120062 is 26002180281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18208120067) 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, 1723737 + ... + 1734267.

It is an arithmetic number, because the mean of its divisors is an integer number (348061536).

Almost surely, 2^18208120062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18208120062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22275938304).

18208120062 is an abundant number, since it is smaller than the sum of its proper divisors (26343756546).

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

18208120062 is a wasteful number, since it uses less digits than its factorization.

18208120062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10654.

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 18208120062 in words is "eighteen billion, two hundred eight million, one hundred twenty thousand, sixty-two".