201666060344 has 64 divisors (see below), whose sum is σ = 481643884800. Its totient is φ = 77063007744.

The previous prime is 201666060319. The next prime is 201666060353. The reversal of 201666060344 is 443060666102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 201666060298 and 201666060307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556494 + ... + 5592669.

It is an arithmetic number, because the mean of its divisors is an integer number (7525685700).

Almost surely, 2^201666060344 is an apocalyptic number.

It is an amenable number.

201666060344 is an abundant number, since it is smaller than the sum of its proper divisors (279977824456).

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

201666060344 is a wasteful number, since it uses less digits than its factorization.

201666060344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149212 (or 11149208 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 201666060344 in words is "two hundred one billion, six hundred sixty-six million, sixty thousand, three hundred forty-four".