1664710106 has 16 divisors (see below), whose sum is σ = 2579509248. Its totient is φ = 804913200.

The previous prime is 1664710097. The next prime is 1664710129. The reversal of 1664710106 is 6010174661.

It is a happy 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, 82076 + ... + 100328.

It is an arithmetic number, because the mean of its divisors is an integer number (161219328).

Almost surely, 2^1664710106 is an apocalyptic number.

1664710106 is a deficient number, since it is larger than the sum of its proper divisors (914799142).

1664710106 is a wasteful number, since it uses less digits than its factorization.

1664710106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1664710106 is about 40800.8591331114. The cubic root of 1664710106 is about 1185.1669679925.

Adding to 1664710106 its reverse (6010174661), we get a palindrome (7674884767).

The spelling of 1664710106 in words is "one billion, six hundred sixty-four million, seven hundred ten thousand, one hundred six".