4531866612 has 96 divisors (see below), whose sum is σ = 13332152064. Its totient is φ = 1166054400.

The previous prime is 4531866593. The next prime is 4531866637. The reversal of 4531866612 is 2166681354.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5839 + ... + 95382.

It is an arithmetic number, because the mean of its divisors is an integer number (138876584).

Almost surely, 2^4531866612 is an apocalyptic number.

4531866612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4531866612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6666076032).

4531866612 is an abundant number, since it is smaller than the sum of its proper divisors (8800285452).

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

4531866612 is a wasteful number, since it uses less digits than its factorization.

4531866612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101289 (or 101287 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 4531866612 is about 67319.1400123323. The cubic root of 4531866612 is about 1654.8515442027.

The spelling of 4531866612 in words is "four billion, five hundred thirty-one million, eight hundred sixty-six thousand, six hundred twelve".