201251016 has 48 divisors (see below), whose sum is σ = 545919660. Its totient is φ = 66977280.

The previous prime is 201250993. The next prime is 201251023. The reversal of 201251016 is 610152102.

It can be written as a sum of positive squares in 2 ways, for example, as 131194116 + 70056900 = 11454^2 + 8370^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 201251016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52956 + ... + 56628.

Almost surely, 2^201251016 is an apocalyptic number.

It is an amenable number.

201251016 is an abundant number, since it is smaller than the sum of its proper divisors (344668644).

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

201251016 is a wasteful number, since it uses less digits than its factorization.

201251016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 201251016 is about 14186.2967683607. The cubic root of 201251016 is about 586.0203450946.

The spelling of 201251016 in words is "two hundred one million, two hundred fifty-one thousand, sixteen".