82611633530 has 16 divisors (see below), whose sum is σ = 148705911720. Its totient is φ = 33043548672.

The previous prime is 82611633523. The next prime is 82611633541. The reversal of 82611633530 is 3533611628.

It can be written as a sum of positive squares in 4 ways, for example, as 22575363001 + 60036270529 = 150251^2 + 245023^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220262 + ... + 462318.

Almost surely, 2^82611633530 is an apocalyptic number.

82611633530 is a deficient number, since it is larger than the sum of its proper divisors (66094278190).

82611633530 is a wasteful number, since it uses less digits than its factorization.

82611633530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276193.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 82611633530 in words is "eighty-two billion, six hundred eleven million, six hundred thirty-three thousand, five hundred thirty".