634260666062436 has 36 divisors (see below), whose sum is σ = 1721564665028208. Its totient is φ = 181217333160528.

The previous prime is 634260666062393. The next prime is 634260666062479.

It is a happy number.

634260666062436 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (634260666062393) and next prime (634260666062479).

It is a self number, because there is not a number n which added to its sum of digits gives 634260666062436.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539337300486 + ... + 539337301661.

It is an arithmetic number, because the mean of its divisors is an integer number (47821240695228).

Almost surely, 2^{634260666062436} is an apocalyptic number.

It is an amenable number.

634260666062436 is an abundant number, since it is smaller than the sum of its proper divisors (1087303998965772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634260666062436 is a wasteful number, since it uses less digits than its factorization.

634260666062436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078674602168 (or 1078674602159 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 60.

The spelling of 634260666062436 in words is "six hundred thirty-four trillion, two hundred sixty billion, six hundred sixty-six million, sixty-two thousand, four hundred thirty-six".