1676644466 has 12 divisors (see below), whose sum is σ = 2925573678. Its totient is φ = 718561872.

The previous prime is 1676644457. The next prime is 1676644469. The reversal of 1676644466 is 6644466761.

It can be written as a sum of positive squares in only one way, i.e., 1645519225 + 31125241 = 40565^2 + 5579^2 .

It is a super-2 number, since 2×1676644466² = 5622273330736850312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1676644469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8554211 + ... + 8554406.

Almost surely, 2^1676644466 is an apocalyptic number.

1676644466 is a deficient number, since it is larger than the sum of its proper divisors (1248929212).

1676644466 is a wasteful number, since it uses less digits than its factorization.

1676644466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108633 (or 17108626 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The square root of 1676644466 is about 40946.8492805002. The cubic root of 1676644466 is about 1187.9923934901.

The spelling of 1676644466 in words is "one billion, six hundred seventy-six million, six hundred forty-four thousand, four hundred sixty-six".