6610582887481 has 4 divisors (see below), whose sum is σ = 6611196637264. Its totient is φ = 6609969137700.

The previous prime is 6610582887473. The next prime is 6610582887523. The reversal of 6610582887481 is 1847882850166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6610582887481 - 2³ = 6610582887473 is a prime.

It is a super-2 number, since 2×6610582887481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6610582887581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306858735 + ... + 306880276.

It is an arithmetic number, because the mean of its divisors is an integer number (1652799159316).

Almost surely, 2^{6610582887481} is an apocalyptic number.

It is an amenable number.

6610582887481 is a deficient number, since it is larger than the sum of its proper divisors (613749783).

6610582887481 is a wasteful number, since it uses less digits than its factorization.

6610582887481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613749782.

The product of its (nonzero) digits is 41287680, while the sum is 64.

The spelling of 6610582887481 in words is "six trillion, six hundred ten billion, five hundred eighty-two million, eight hundred eighty-seven thousand, four hundred eighty-one".