1077666 has 16 divisors (see below), whose sum is σ = 2205984. Its totient is φ = 350784.

The previous prime is 1077641. The next prime is 1077673. The reversal of 1077666 is 6667701.

It is a super-2 number, since 2×1077666² = 2322728015112, which contains 22 as substring.

It is a Curzon number.

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, 1831 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (137874).

2^1077666 is an apocalyptic number.

1077666 is an abundant number, since it is smaller than the sum of its proper divisors (1128318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1077666 is a wasteful number, since it uses less digits than its factorization.

1077666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 1077666 is about 1038.1069309084. The cubic root of 1077666 is about 102.5245945344.

The spelling of 1077666 in words is "one million, seventy-seven thousand, six hundred sixty-six".