208158314630 has 72 divisors (see below), whose sum is σ = 460005671808. Its totient is φ = 67612267296.

The previous prime is 208158314629. The next prime is 208158314657. The reversal of 208158314630 is 36413851802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 411494 + ... + 765273.

It is an arithmetic number, because the mean of its divisors is an integer number (6388967664).

Almost surely, 2^208158314630 is an apocalyptic number.

208158314630 is an abundant number, since it is smaller than the sum of its proper divisors (251847357178).

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

208158314630 is a wasteful number, since it uses less digits than its factorization.

208158314630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176826 (or 1176800 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 208158314630 in words is "two hundred eight billion, one hundred fifty-eight million, three hundred fourteen thousand, six hundred thirty".