6111630 has 96 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 1368576.

The previous prime is 6111617. The next prime is 6111643. The reversal of 6111630 is 361116.

It is an interprime number because it is at equal distance from previous prime (6111617) and next prime (6111643).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56016 + ... + 56124.

It is an arithmetic number, because the mean of its divisors is an integer number (193050).

Almost surely, 2^6111630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6111630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9266400).

6111630 is an abundant number, since it is smaller than the sum of its proper divisors (12421170).

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

6111630 is a wasteful number, since it uses less digits than its factorization.

6111630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 6111630 is about 2472.1711105828. The cubic root of 6111630 is about 182.8320594895.

Adding to 6111630 its reverse (361116), we get a palindrome (6472746).

The spelling of 6111630 in words is "six million, one hundred eleven thousand, six hundred thirty".