201663602 has 8 divisors (see below), whose sum is σ = 345709056. Its totient is φ = 86427252.

The previous prime is 201663599. The next prime is 201663613. The reversal of 201663602 is 206366102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201663602² = 81336416743228808, which contains 22 as substring.

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, 7202258 + ... + 7202285.

It is an arithmetic number, because the mean of its divisors is an integer number (43213632).

Almost surely, 2^201663602 is an apocalyptic number.

201663602 is a deficient number, since it is larger than the sum of its proper divisors (144045454).

201663602 is a wasteful number, since it uses less digits than its factorization.

201663602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14404552.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 201663602 is about 14200.8310320206. The cubic root of 201663602 is about 586.4205397625.

The spelling of 201663602 in words is "two hundred one million, six hundred sixty-three thousand, six hundred two".