7616523505 has 4 divisors (see below), whose sum is σ = 9139828212. Its totient is φ = 6093218800.

The previous prime is 7616523491. The next prime is 7616523511. The reversal of 7616523505 is 5053256167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5053256167 = 37 ⋅136574491.

It can be written as a sum of positive squares in 2 ways, for example, as 3863368336 + 3753155169 = 62156^2 + 61263^2 .

It is not a de Polignac number, because 7616523505 - 2⁷ = 7616523377 is a prime.

It is a super-2 number, since 2×7616523505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761652346 + ... + 761652355.

It is an arithmetic number, because the mean of its divisors is an integer number (2284957053).

Almost surely, 2^7616523505 is an apocalyptic number.

It is an amenable number.

7616523505 is a deficient number, since it is larger than the sum of its proper divisors (1523304707).

7616523505 is a wasteful number, since it uses less digits than its factorization.

7616523505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523304706.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 7616523505 is about 87272.6962170873. The cubic root of 7616523505 is about 1967.5189725135.

The spelling of 7616523505 in words is "seven billion, six hundred sixteen million, five hundred twenty-three thousand, five hundred five".