201655562106 has 16 divisors (see below), whose sum is σ = 403316347104. Its totient is φ = 67217650224.

The previous prime is 201655562089. The next prime is 201655562167. The reversal of 201655562106 is 601265556102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434740 + ... + 769616.

It is an arithmetic number, because the mean of its divisors is an integer number (25207271694).

Almost surely, 2^201655562106 is an apocalyptic number.

201655562106 is an abundant number, since it is smaller than the sum of its proper divisors (201660784998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201655562106 is a wasteful number, since it uses less digits than its factorization.

201655562106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435245.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 201655562106 in words is "two hundred one billion, six hundred fifty-five million, five hundred sixty-two thousand, one hundred six".