201668368 has 20 divisors (see below), whose sum is σ = 426253968. Its totient is φ = 91667360.

The previous prime is 201668353. The next prime is 201668387. The reversal of 201668368 is 863866102.

It is a self number, because there is not a number n which added to its sum of digits gives 201668368.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572746 + ... + 573097.

Almost surely, 2^201668368 is an apocalyptic number.

It is an amenable number.

201668368 is an abundant number, since it is smaller than the sum of its proper divisors (224585600).

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

201668368 is a wasteful number, since it uses less digits than its factorization.

201668368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145862 (or 1145856 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 201668368 is about 14200.9988381099. The cubic root of 201668368 is about 586.4251594331.

The spelling of 201668368 in words is "two hundred one million, six hundred sixty-eight thousand, three hundred sixty-eight".