1667166411 has 8 divisors (see below), whose sum is σ = 2223138960. Its totient is φ = 1111319072.

The previous prime is 1667166409. The next prime is 1667166437. The reversal of 1667166411 is 1146617661.

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

It is a cyclic number.

It is not a de Polignac number, because 1667166411 - 2¹ = 1667166409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1667166411.

It is not an unprimeable number, because it can be changed into a prime (1667166491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6181 + ... + 58073.

It is an arithmetic number, because the mean of its divisors is an integer number (277892370).

Almost surely, 2^1667166411 is an apocalyptic number.

1667166411 is a deficient number, since it is larger than the sum of its proper divisors (555972549).

1667166411 is a wasteful number, since it uses less digits than its factorization.

1667166411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62605.

The product of its digits is 36288, while the sum is 39.

The square root of 1667166411 is about 40830.9491807379. The cubic root of 1667166411 is about 1185.7495921394.

The spelling of 1667166411 in words is "one billion, six hundred sixty-seven million, one hundred sixty-six thousand, four hundred eleven".