8537611630 has 32 divisors (see below), whose sum is σ = 15810264288. Its totient is φ = 3317414400.

The previous prime is 8537611627. The next prime is 8537611631. The reversal of 8537611630 is 361167358.

It is a happy number.

It is a super-2 number, since 2×8537611630² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8537611631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50845 + ... + 140215.

It is an arithmetic number, because the mean of its divisors is an integer number (494070759).

Almost surely, 2^8537611630 is an apocalyptic number.

8537611630 is a deficient number, since it is larger than the sum of its proper divisors (7272652658).

8537611630 is a wasteful number, since it uses less digits than its factorization.

8537611630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89652.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 8537611630 is about 92399.1971285465. The cubic root of 8537611630 is about 2043.8332729804.

Adding to 8537611630 its reverse (361167358), we get a palindrome (8898778988).

The spelling of 8537611630 in words is "eight billion, five hundred thirty-seven million, six hundred eleven thousand, six hundred thirty".