201662488 has 16 divisors (see below), whose sum is σ = 378432000. Its totient is φ = 100747296.

The previous prime is 201662473. The next prime is 201662521. The reversal of 201662488 is 884266102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (23652000).

Almost surely, 2^201662488 is an apocalyptic number.

It is an amenable number.

201662488 is a deficient number, since it is larger than the sum of its proper divisors (176769512).

201662488 is a wasteful number, since it uses less digits than its factorization.

201662488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994 (or 20990 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 201662488 is about 14200.7918089098. The cubic root of 201662488 is about 586.4194599549.

The spelling of 201662488 in words is "two hundred one million, six hundred sixty-two thousand, four hundred eighty-eight".