201026616 has 96 divisors (see below), whose sum is σ = 588240000. Its totient is φ = 57081024.

The previous prime is 201026611. The next prime is 201026627. The reversal of 201026616 is 616620102.

It is a super-2 number, since 2×201026616² = 80823400680822912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201026611) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 233595 + ... + 234453.

It is an arithmetic number, because the mean of its divisors is an integer number (6127500).

Almost surely, 2^201026616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201026616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294120000).

201026616 is an abundant number, since it is smaller than the sum of its proper divisors (387213384).

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

201026616 is a wasteful number, since it uses less digits than its factorization.

201026616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 201026616 is about 14178.3855216312. The cubic root of 201026616 is about 585.8024548950.

Adding to 201026616 its reverse (616620102), we get a palindrome (817646718).

The spelling of 201026616 in words is "two hundred one million, twenty-six thousand, six hundred sixteen".