201651132 has 12 divisors (see below), whose sum is σ = 470519336. Its totient is φ = 67217040.

The previous prime is 201651113. The next prime is 201651139. The reversal of 201651132 is 231156102.

201651132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 201651099 and 201651108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201651139) 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, 8402119 + ... + 8402142.

Almost surely, 2^201651132 is an apocalyptic number.

It is an amenable number.

201651132 is an abundant number, since it is smaller than the sum of its proper divisors (268868204).

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

201651132 is a wasteful number, since it uses less digits than its factorization.

201651132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16804268 (or 16804266 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 201651132 is about 14200.3919664212. The cubic root of 201651132 is about 586.4084522815.

The spelling of 201651132 in words is "two hundred one million, six hundred fifty-one thousand, one hundred thirty-two".