201612655 has 8 divisors (see below), whose sum is σ = 242028000. Its totient is φ = 161228256.

The previous prime is 201612599. The next prime is 201612659. The reversal of 201612655 is 556216102.

201612655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201612655 - 2⁹ = 201612143 is a prime.

It is a super-2 number, since 2×201612655² = 81295325312298050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201612659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10521 + ... + 22669.

It is an arithmetic number, because the mean of its divisors is an integer number (30253500).

Almost surely, 2^201612655 is an apocalyptic number.

201612655 is a deficient number, since it is larger than the sum of its proper divisors (40415345).

201612655 is a wasteful number, since it uses less digits than its factorization.

201612655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15473.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 201612655 is about 14199.0371152413. The cubic root of 201612655 is about 586.3711524276.

Adding to 201612655 its reverse (556216102), we get a palindrome (757828757).

The spelling of 201612655 in words is "two hundred one million, six hundred twelve thousand, six hundred fifty-five".