201655104 has 56 divisors (see below), whose sum is σ = 609770688. Its totient is φ = 57615360.

The previous prime is 201655049. The next prime is 201655117. The reversal of 201655104 is 401556102.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 73677 + ... + 76364.

Almost surely, 2^201655104 is an apocalyptic number.

201655104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201655104 is an abundant number, since it is smaller than the sum of its proper divisors (408115584).

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

201655104 is a wasteful number, since it uses less digits than its factorization.

201655104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150063 (or 150053 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 201655104 is about 14200.5318210270. The cubic root of 201655104 is about 586.4123024939.

The spelling of 201655104 in words is "two hundred one million, six hundred fifty-five thousand, one hundred four".