201606507 has 12 divisors (see below), whose sum is σ = 291400824. Its totient is φ = 134316000.

The previous prime is 201606469. The next prime is 201606529. The reversal of 201606507 is 705606102.

201606507 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 0 + 650 + 7 = 666.

It is not a de Polignac number, because 201606507 - 2¹⁶ = 201540971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201606557) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9007 + ... + 22007.

It is an arithmetic number, because the mean of its divisors is an integer number (24283402).

Almost surely, 2^201606507 is an apocalyptic number.

201606507 is a deficient number, since it is larger than the sum of its proper divisors (89794317).

201606507 is a wasteful number, since it uses less digits than its factorization.

201606507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730 (or 14727 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 201606507 is about 14198.8206200374. The cubic root of 201606507 is about 586.3651920768.

The spelling of 201606507 in words is "two hundred one million, six hundred six thousand, five hundred seven".