1669534794 has 32 divisors (see below), whose sum is σ = 3810354240. Its totient is φ = 541470096.

The previous prime is 1669534753. The next prime is 1669534819. The reversal of 1669534794 is 4974359661.

1669534794 is a `hidden beast` number, since 16 + 6 + 9 + 534 + 7 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1669534794.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415804 + ... + 419799.

It is an arithmetic number, because the mean of its divisors is an integer number (119073570).

Almost surely, 2^1669534794 is an apocalyptic number.

1669534794 is an abundant number, since it is smaller than the sum of its proper divisors (2140819446).

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

1669534794 is a wasteful number, since it uses less digits than its factorization.

1669534794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835651 (or 835645 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 1669534794 is about 40859.9411893850. The cubic root of 1669534794 is about 1186.3108199357.

The spelling of 1669534794 in words is "one billion, six hundred sixty-nine million, five hundred thirty-four thousand, seven hundred ninety-four".