1669287164 has 12 divisors (see below), whose sum is σ = 2921688000. Its totient is φ = 834519168.

The previous prime is 1669287157. The next prime is 1669287167. The reversal of 1669287164 is 4617829661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669287167) 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, 3317 + ... + 57875.

It is an arithmetic number, because the mean of its divisors is an integer number (243474000).

Almost surely, 2^1669287164 is an apocalyptic number.

It is an amenable number.

1669287164 is a deficient number, since it is larger than the sum of its proper divisors (1252400836).

1669287164 is a wasteful number, since it uses less digits than its factorization.

1669287164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62212 (or 62210 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 1669287164 is about 40856.9108474931. The cubic root of 1669287164 is about 1186.2521647394.

The spelling of 1669287164 in words is "one billion, six hundred sixty-nine million, two hundred eighty-seven thousand, one hundred sixty-four".