1660027976411 has 16 divisors (see below), whose sum is σ = 1948511980800. Its totient is φ = 1384624287648.

The previous prime is 1660027976401. The next prime is 1660027976417. The reversal of 1660027976411 is 1146797200661.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1660027976411 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1660027976411.

It is not an unprimeable number, because it can be changed into a prime (1660027976417) 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, 10170041 + ... + 10331978.

It is an arithmetic number, because the mean of its divisors is an integer number (121781998800).

Almost surely, 2^{1660027976411} is an apocalyptic number.

1660027976411 is a deficient number, since it is larger than the sum of its proper divisors (288484004389).

1660027976411 is a wasteful number, since it uses less digits than its factorization.

1660027976411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20502338.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 1660027976411 in words is "one trillion, six hundred sixty billion, twenty-seven million, nine hundred seventy-six thousand, four hundred eleven".