6628165526 has 4 divisors (see below), whose sum is σ = 9942248292. Its totient is φ = 3314082762.

The previous prime is 6628165517. The next prime is 6628165541. The reversal of 6628165526 is 6255618266.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657041380 + ... + 1657041383.

It is an arithmetic number, because the mean of its divisors is an integer number (2485562073).

Almost surely, 2^6628165526 is an apocalyptic number.

6628165526 is a deficient number, since it is larger than the sum of its proper divisors (3314082766).

6628165526 is a wasteful number, since it uses less digits than its factorization.

6628165526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314082765.

The product of its digits is 1036800, while the sum is 47.

The square root of 6628165526 is about 81413.5463298338. The cubic root of 6628165526 is about 1878.4419645792.

The spelling of 6628165526 in words is "six billion, six hundred twenty-eight million, one hundred sixty-five thousand, five hundred twenty-six".