208508337086142 has 8 divisors (see below), whose sum is σ = 417016674172296. Its totient is φ = 69502779028712.

The previous prime is 208508337086113. The next prime is 208508337086183. The reversal of 208508337086142 is 241680733805802.

It is a sphenic number, since it is the product of 3 distinct primes.

208508337086142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17375694757173 + ... + 17375694757184.

It is an arithmetic number, because the mean of its divisors is an integer number (52127084271537).

Almost surely, 2^{208508337086142} is an apocalyptic number.

208508337086142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

208508337086142 is a wasteful number, since it uses less digits than its factorization.

208508337086142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34751389514362.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 208508337086142 in words is "two hundred eight trillion, five hundred eight billion, three hundred thirty-seven million, eighty-six thousand, one hundred forty-two".