201654656 has 32 divisors (see below), whose sum is σ = 459126480. Its totient is φ = 86423040.

The previous prime is 201654653. The next prime is 201654683. The reversal of 201654656 is 656456102.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201654653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111635 + ... + 113426.

Almost surely, 2^201654656 is an apocalyptic number.

It is an amenable number.

201654656 is an abundant number, since it is smaller than the sum of its proper divisors (257471824).

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

201654656 is an equidigital number, since it uses as much as digits as its factorization.

201654656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225082 (or 225070 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 201654656 is about 14200.5160469611. The cubic root of 201654656 is about 586.4118682328.

The spelling of 201654656 in words is "two hundred one million, six hundred fifty-four thousand, six hundred fifty-six".