6566151555006 has 32 divisors (see below), whose sum is σ = 13923063429408. Its totient is φ = 2057262167040.

The previous prime is 6566151555001. The next prime is 6566151555043. The reversal of 6566151555006 is 6005551516656.

It is a super-2 number, since 2×6566151555006² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 6566151555006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566151555001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42218065 + ... + 42373308.

It is an arithmetic number, because the mean of its divisors is an integer number (435095732169).

Almost surely, 2^{6566151555006} is an apocalyptic number.

6566151555006 is an abundant number, since it is smaller than the sum of its proper divisors (7356911874402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566151555006 is a wasteful number, since it uses less digits than its factorization.

6566151555006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84592156.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 6566151555006 in words is "six trillion, five hundred sixty-six billion, one hundred fifty-one million, five hundred fifty-five thousand, six".