1667013416866 has 16 divisors (see below), whose sum is σ = 2927438196480. Its totient is φ = 697009093920.

The previous prime is 1667013416821. The next prime is 1667013416867. The reversal of 1667013416866 is 6686143107661.

It is a super-2 number, since 2×1667013416866² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1667013416867) 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, 1452101706 + ... + 1452102853.

It is an arithmetic number, because the mean of its divisors is an integer number (182964887280).

Almost surely, 2^{1667013416866} is an apocalyptic number.

1667013416866 is a deficient number, since it is larger than the sum of its proper divisors (1260424779614).

1667013416866 is a wasteful number, since it uses less digits than its factorization.

1667013416866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904204609.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 1667013416866 in words is "one trillion, six hundred sixty-seven billion, thirteen million, four hundred sixteen thousand, eight hundred sixty-six".