201267668 has 24 divisors (see below), whose sum is σ = 407635200. Its totient is φ = 85164768.

The previous prime is 201267653. The next prime is 201267713. The reversal of 201267668 is 866762102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43283 + ... + 47706.

It is an arithmetic number, because the mean of its divisors is an integer number (16984800).

Almost surely, 2^201267668 is an apocalyptic number.

201267668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201267668 is an abundant number, since it is smaller than the sum of its proper divisors (206367532).

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

201267668 is a wasteful number, since it uses less digits than its factorization.

201267668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91079 (or 91077 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 201267668 is about 14186.8836606212. The cubic root of 201267668 is about 586.0365075665.

The spelling of 201267668 in words is "two hundred one million, two hundred sixty-seven thousand, six hundred sixty-eight".