2666524500987 has 64 divisors (see below), whose sum is σ = 3937729406976. Its totient is φ = 1596484454400.

The previous prime is 2666524500943. The next prime is 2666524501099. The reversal of 2666524500987 is 7890054256662.

It is a happy number.

It is not a de Polignac number, because 2666524500987 - 2¹⁵ = 2666524468219 is a prime.

It is a super-2 number, since 2×2666524500987² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2666524500987.

It is not an unprimeable number, because it can be changed into a prime (2666524507987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1402694737 + ... + 1402696637.

It is an arithmetic number, because the mean of its divisors is an integer number (61527021984).

Almost surely, 2^{2666524500987} is an apocalyptic number.

2666524500987 is a deficient number, since it is larger than the sum of its proper divisors (1271204905989).

2666524500987 is a wasteful number, since it uses less digits than its factorization.

2666524500987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 2666524500987 in words is "two trillion, six hundred sixty-six billion, five hundred twenty-four million, five hundred thousand, nine hundred eighty-seven".