201772266692 has 6 divisors (see below), whose sum is σ = 353101466718. Its totient is φ = 100886133344.

The previous prime is 201772266653. The next prime is 201772266713. The reversal of 201772266692 is 296662277102.

201772266692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195846962116 + 5925304576 = 442546^2 + 76976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201772266692.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25221533333 + ... + 25221533340.

It is an arithmetic number, because the mean of its divisors is an integer number (58850244453).

Almost surely, 2^201772266692 is an apocalyptic number.

It is an amenable number.

201772266692 is a deficient number, since it is larger than the sum of its proper divisors (151329200026).

201772266692 is a wasteful number, since it uses less digits than its factorization.

201772266692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50443066677 (or 50443066675 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 201772266692 in words is "two hundred one billion, seven hundred seventy-two million, two hundred sixty-six thousand, six hundred ninety-two".