503041013666 has 8 divisors (see below), whose sum is σ = 754567158684. Its totient is φ = 251518627440.

The previous prime is 503041013659. The next prime is 503041013707. The reversal of 503041013666 is 666310140305.

It can be written as a sum of positive squares in 2 ways, for example, as 496854404641 + 6186609025 = 704879^2 + 78655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×503041013666² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577145 + ... + 1157228.

Almost surely, 2^503041013666 is an apocalyptic number.

503041013666 is a deficient number, since it is larger than the sum of its proper divisors (251526145018).

503041013666 is a wasteful number, since it uses less digits than its factorization.

503041013666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879396.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 503041013666 in words is "five hundred three billion, forty-one million, thirteen thousand, six hundred sixty-six".