1669077084 has 12 divisors (see below), whose sum is σ = 3894513224. Its totient is φ = 556359024.

The previous prime is 1669077061. The next prime is 1669077089. The reversal of 1669077084 is 4807709661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669077089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69544867 + ... + 69544890.

Almost surely, 2^1669077084 is an apocalyptic number.

It is an amenable number.

1669077084 is an abundant number, since it is smaller than the sum of its proper divisors (2225436140).

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

1669077084 is a wasteful number, since it uses less digits than its factorization.

1669077084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139089764 (or 139089762 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 1669077084 is about 40854.3398429102. The cubic root of 1669077084 is about 1186.2023993235.

The spelling of 1669077084 in words is "one billion, six hundred sixty-nine million, seventy-seven thousand, eighty-four".