201611000630 has 32 divisors (see below), whose sum is σ = 404291563200. Its totient is φ = 71874052992.

The previous prime is 201611000627. The next prime is 201611000641. The reversal of 201611000630 is 36000116102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26735090 + ... + 26742629.

It is an arithmetic number, because the mean of its divisors is an integer number (12634111350).

Almost surely, 2^201611000630 is an apocalyptic number.

201611000630 is an abundant number, since it is smaller than the sum of its proper divisors (202680562570).

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

201611000630 is a wasteful number, since it uses less digits than its factorization.

201611000630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53477768.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201611000630 its reverse (36000116102), we get a palindrome (237611116732).

The spelling of 201611000630 in words is "two hundred one billion, six hundred eleven million, six hundred thirty", and thus it is an aban number.