201668372 has 12 divisors (see below), whose sum is σ = 358901760. Its totient is φ = 99125016.

The previous prime is 201668353. The next prime is 201668387. The reversal of 201668372 is 273866102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427028 + ... + 427499.

It is an arithmetic number, because the mean of its divisors is an integer number (29908480).

Almost surely, 2^201668372 is an apocalyptic number.

It is an amenable number.

201668372 is a deficient number, since it is larger than the sum of its proper divisors (157233388).

201668372 is a wasteful number, since it uses less digits than its factorization.

201668372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854590 (or 854588 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 201668372 is about 14200.9989789451. The cubic root of 201668372 is about 586.4251633103.

The spelling of 201668372 in words is "two hundred one million, six hundred sixty-eight thousand, three hundred seventy-two".