201655072 has 12 divisors (see below), whose sum is σ = 397008486. Its totient is φ = 100827520.

The previous prime is 201655049. The next prime is 201655117. The reversal of 201655072 is 270556102.

It can be written as a sum of positive squares in only one way, i.e., 131698576 + 69956496 = 11476^2 + 8364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201655072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3150829 + ... + 3150892.

Almost surely, 2^201655072 is an apocalyptic number.

It is an amenable number.

201655072 is a deficient number, since it is larger than the sum of its proper divisors (195353414).

201655072 is an equidigital number, since it uses as much as digits as its factorization.

201655072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301731 (or 6301723 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 201655072 is about 14200.5306943086. The cubic root of 201655072 is about 586.4122714753.

The spelling of 201655072 in words is "two hundred one million, six hundred fifty-five thousand, seventy-two".