208131891482 has 16 divisors (see below), whose sum is σ = 328947495360. Its totient is φ = 98493332832.

The previous prime is 208131891467. The next prime is 208131891511. The reversal of 208131891482 is 284198131802.

208131891482 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611838 + ... + 2690345.

It is an arithmetic number, because the mean of its divisors is an integer number (20559218460).

Almost surely, 2^208131891482 is an apocalyptic number.

208131891482 is a deficient number, since it is larger than the sum of its proper divisors (120815603878).

208131891482 is a wasteful number, since it uses less digits than its factorization.

208131891482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303237.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 208131891482 in words is "two hundred eight billion, one hundred thirty-one million, eight hundred ninety-one thousand, four hundred eighty-two".