6631108634 has 4 divisors (see below), whose sum is σ = 9946662954. Its totient is φ = 3315554316.

The previous prime is 6631108619. The next prime is 6631108663. The reversal of 6631108634 is 4368011366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4469323609 + 2161785025 = 66853^2 + 46495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657777157 + ... + 1657777160.

Almost surely, 2^6631108634 is an apocalyptic number.

6631108634 is a deficient number, since it is larger than the sum of its proper divisors (3315554320).

6631108634 is a wasteful number, since it uses less digits than its factorization.

6631108634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315554319.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 6631108634 is about 81431.6193747859. The cubic root of 6631108634 is about 1878.7199519794.

The spelling of 6631108634 in words is "six billion, six hundred thirty-one million, one hundred eight thousand, six hundred thirty-four".