201648156 has 24 divisors (see below), whose sum is σ = 481455744. Its totient is φ = 65652720.

The previous prime is 201648143. The next prime is 201648157. The reversal of 201648156 is 651846102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201648157) 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, 194880 + ... + 195911.

It is an arithmetic number, because the mean of its divisors is an integer number (20060656).

Almost surely, 2^201648156 is an apocalyptic number.

It is an amenable number.

201648156 is an abundant number, since it is smaller than the sum of its proper divisors (279807588).

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

201648156 is a wasteful number, since it uses less digits than its factorization.

201648156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390841 (or 390839 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 201648156 is about 14200.2871801946. The cubic root of 201648156 is about 586.4055674971.

The spelling of 201648156 in words is "two hundred one million, six hundred forty-eight thousand, one hundred fifty-six".