7581606423 has 8 divisors (see below), whose sum is σ = 10640851200. Its totient is φ = 4788382968.

The previous prime is 7581606407. The next prime is 7581606437. The reversal of 7581606423 is 3246061857.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7581606423 - 2⁴ = 7581606407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7581606493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66505263 + ... + 66505376.

It is an arithmetic number, because the mean of its divisors is an integer number (1330106400).

Almost surely, 2^7581606423 is an apocalyptic number.

7581606423 is a deficient number, since it is larger than the sum of its proper divisors (3059244777).

7581606423 is a wasteful number, since it uses less digits than its factorization.

7581606423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133010661.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 7581606423 is about 87072.4205647230. The cubic root of 7581606423 is about 1964.5077442753.

The spelling of 7581606423 in words is "seven billion, five hundred eighty-one million, six hundred six thousand, four hundred twenty-three".