201016442871 has 48 divisors (see below), whose sum is σ = 305444705280. Its totient is φ = 127259294400.

The previous prime is 201016442849. The next prime is 201016442881. The reversal of 201016442871 is 178244610102.

It is a happy number.

201016442871 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 1 + 644 + 2 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 201016442871 - 2¹³ = 201016434679 is a prime.

It is a super-2 number, since 2×201016442871² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201016442881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2709945 + ... + 2783133.

It is an arithmetic number, because the mean of its divisors is an integer number (6363431360).

Almost surely, 2^201016442871 is an apocalyptic number.

201016442871 is a deficient number, since it is larger than the sum of its proper divisors (104428262409).

201016442871 is a wasteful number, since it uses less digits than its factorization.

201016442871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73436 (or 73433 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 201016442871 in words is "two hundred one billion, sixteen million, four hundred forty-two thousand, eight hundred seventy-one".