1067161666 has 16 divisors (see below), whose sum is σ = 1638204480. Its totient is φ = 521231760.

The previous prime is 1067161607. The next prime is 1067161721. The reversal of 1067161666 is 6661617601.

It is a super-2 number, since 2×1067161666² = 2277668042759791112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18996 + ... + 49951.

It is an arithmetic number, because the mean of its divisors is an integer number (102387780).

Almost surely, 2^1067161666 is an apocalyptic number.

1067161666 is a deficient number, since it is larger than the sum of its proper divisors (571042814).

1067161666 is a wasteful number, since it uses less digits than its factorization.

1067161666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69129.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1067161666 is about 32667.4404568218. The cubic root of 1067161666 is about 1021.9039365234.

The spelling of 1067161666 in words is "one billion, sixty-seven million, one hundred sixty-one thousand, six hundred sixty-six".