203264166 has 64 divisors (see below), whose sum is σ = 492134400. Its totient is φ = 54673056.

The previous prime is 203264153. The next prime is 203264203. The reversal of 203264166 is 661462302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142131 + ... + 143553.

It is an arithmetic number, because the mean of its divisors is an integer number (7689600).

Almost surely, 2^203264166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203264166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246067200).

203264166 is an abundant number, since it is smaller than the sum of its proper divisors (288870234).

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

203264166 is a wasteful number, since it uses less digits than its factorization.

203264166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 203264166 is about 14257.0742440376. The cubic root of 203264166 is about 587.9678877831.

The spelling of 203264166 in words is "two hundred three million, two hundred sixty-four thousand, one hundred sixty-six".