201668346 has 64 divisors (see below), whose sum is σ = 490613760. Its totient is φ = 60896880.

The previous prime is 201668333. The next prime is 201668351. The reversal of 201668346 is 643866102.

201668346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201668346.

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, 277035 + ... + 277761.

It is an arithmetic number, because the mean of its divisors is an integer number (7665840).

Almost surely, 2^201668346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201668346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245306880).

201668346 is an abundant number, since it is smaller than the sum of its proper divisors (288945414).

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

201668346 is a wasteful number, since it uses less digits than its factorization.

201668346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 201668346 is about 14200.9980635165. The cubic root of 201668346 is about 586.4251381088.

The spelling of 201668346 in words is "two hundred one million, six hundred sixty-eight thousand, three hundred forty-six".