202159898 has 8 divisors (see below), whose sum is σ = 303650208. Its totient is φ = 100943164.

The previous prime is 202159879. The next prime is 202159907. The reversal of 202159898 is 898951202.

202159898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66536 + ... + 69507.

It is an arithmetic number, because the mean of its divisors is an integer number (37956276).

Almost surely, 2^202159898 is an apocalyptic number.

202159898 is a deficient number, since it is larger than the sum of its proper divisors (101490310).

202159898 is a wasteful number, since it uses less digits than its factorization.

202159898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136788.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 202159898 is about 14218.2944828133. The cubic root of 202159898 is about 586.9012078024.

The spelling of 202159898 in words is "two hundred two million, one hundred fifty-nine thousand, eight hundred ninety-eight".