208161146370 has 32 divisors (see below), whose sum is σ = 499600842048. Its totient is φ = 55508073408.

The previous prime is 208161146353. The next prime is 208161146381. The reversal of 208161146370 is 73641161802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320612 + ... + 1469808.

It is an arithmetic number, because the mean of its divisors is an integer number (15612526314).

Almost surely, 2^208161146370 is an apocalyptic number.

208161146370 is an abundant number, since it is smaller than the sum of its proper divisors (291439695678).

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

208161146370 is a wasteful number, since it uses less digits than its factorization.

208161146370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195714.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 208161146370 in words is "two hundred eight billion, one hundred sixty-one million, one hundred forty-six thousand, three hundred seventy".