1669141064 has 16 divisors (see below), whose sum is σ = 3130112700. Its totient is φ = 834444352.

The previous prime is 1669141063. The next prime is 1669141069. The reversal of 1669141064 is 4601419661.

It can be written as a sum of positive squares in 2 ways, for example, as 1615236100 + 53904964 = 40190^2 + 7342^2 .

It is not an unprimeable number, because it can be changed into a prime (1669141063) 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, 64442 + ... + 86550.

Almost surely, 2^1669141064 is an apocalyptic number.

It is an amenable number.

1669141064 is a deficient number, since it is larger than the sum of its proper divisors (1460971636).

1669141064 is a wasteful number, since it uses less digits than its factorization.

1669141064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31552 (or 31548 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1669141064 is about 40855.1228611541. The cubic root of 1669141064 is about 1186.2175558553.

The spelling of 1669141064 in words is "one billion, six hundred sixty-nine million, one hundred forty-one thousand, sixty-four".