201434611166 has 4 divisors (see below), whose sum is σ = 302151916752. Its totient is φ = 100717305582.

The previous prime is 201434611159. The next prime is 201434611171. The reversal of 201434611166 is 661116434102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×201434611166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50358652790 + ... + 50358652793.

It is an arithmetic number, because the mean of its divisors is an integer number (75537979188).

Almost surely, 2^201434611166 is an apocalyptic number.

201434611166 is a deficient number, since it is larger than the sum of its proper divisors (100717305586).

201434611166 is a wasteful number, since it uses less digits than its factorization.

201434611166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100717305585.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 201434611166 in words is "two hundred one billion, four hundred thirty-four million, six hundred eleven thousand, one hundred sixty-six".