201016155 has 8 divisors (see below), whose sum is σ = 321625872. Its totient is φ = 107208608.

The previous prime is 201016141. The next prime is 201016169. The reversal of 201016155 is 551610102.

It is an interprime number because it is at equal distance from previous prime (201016141) and next prime (201016169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201016155 - 2⁹ = 201015643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6700524 + ... + 6700553.

It is an arithmetic number, because the mean of its divisors is an integer number (40203234).

Almost surely, 2^201016155 is an apocalyptic number.

201016155 is a deficient number, since it is larger than the sum of its proper divisors (120609717).

201016155 is a wasteful number, since it uses less digits than its factorization.

201016155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401085.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 201016155 is about 14178.0166102315. The cubic root of 201016155 is about 585.7922934118.

Adding to 201016155 its reverse (551610102), we get a palindrome (752626257).

The spelling of 201016155 in words is "two hundred one million, sixteen thousand, one hundred fifty-five".