660000403711 has 6 divisors (see below), whose sum is σ = 725454989336. Its totient is φ = 600000366900.

The previous prime is 660000403663. The next prime is 660000403729. The reversal of 660000403711 is 117304000066.

It is not a de Polignac number, because 660000403711 - 2¹³ = 660000395519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 660000403711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660000403781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2727274275 + ... + 2727274516.

Almost surely, 2^660000403711 is an apocalyptic number.

660000403711 is a deficient number, since it is larger than the sum of its proper divisors (65454585625).

660000403711 is a wasteful number, since it uses less digits than its factorization.

660000403711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454548813 (or 5454548802 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 660000403711 its reverse (117304000066), we get a palindrome (777304403777).

The spelling of 660000403711 in words is "six hundred sixty billion, four hundred three thousand, seven hundred eleven".