201550162207 has 16 divisors (see below), whose sum is σ = 203161582624. Its totient is φ = 199946880000.

The previous prime is 201550162189. The next prime is 201550162211. The reversal of 201550162207 is 702261055102.

It is a cyclic number.

It is not a de Polignac number, because 201550162207 - 2²⁷ = 201415944479 is a prime.

It is a super-2 number, since 2×201550162207² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201550162237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82702993 + ... + 82705429.

It is an arithmetic number, because the mean of its divisors is an integer number (12697598914).

Almost surely, 2^201550162207 is an apocalyptic number.

201550162207 is a deficient number, since it is larger than the sum of its proper divisors (1611420417).

201550162207 is a wasteful number, since it uses less digits than its factorization.

201550162207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 201550162207 in words is "two hundred one billion, five hundred fifty million, one hundred sixty-two thousand, two hundred seven".