1631323676 has 12 divisors (see below), whose sum is σ = 2908681272. Its totient is φ = 800271888.

The previous prime is 1631323667. The next prime is 1631323697. The reversal of 1631323676 is 6763231361.

It is a happy number.

It is a super-2 number, since 2×1631323676² = 5322433871756305952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847250 + ... + 3847673.

It is an arithmetic number, because the mean of its divisors is an integer number (242390106).

Almost surely, 2^1631323676 is an apocalyptic number.

It is an amenable number.

1631323676 is a deficient number, since it is larger than the sum of its proper divisors (1277357596).

1631323676 is a wasteful number, since it uses less digits than its factorization.

1631323676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694980 (or 7694978 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 1631323676 is about 40389.6481291927. The cubic root of 1631323676 is about 1177.1904036230.

The spelling of 1631323676 in words is "one billion, six hundred thirty-one million, three hundred twenty-three thousand, six hundred seventy-six".