634079343216 has 80 divisors (see below), whose sum is σ = 1787290248960. Its totient is φ = 192108764160.

The previous prime is 634079343203. The next prime is 634079343217. The reversal of 634079343216 is 612343970436.

It is a super-2 number, since 2×634079343216² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634079343217) 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 15 ways as a sum of consecutive naturals, for example, 2736165 + ... + 2958843.

It is an arithmetic number, because the mean of its divisors is an integer number (22341128112).

Almost surely, 2^634079343216 is an apocalyptic number.

634079343216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

634079343216 is an abundant number, since it is smaller than the sum of its proper divisors (1153210905744).

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

634079343216 is a wasteful number, since it uses less digits than its factorization.

634079343216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228094 (or 228088 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 634079343216 in words is "six hundred thirty-four billion, seventy-nine million, three hundred forty-three thousand, two hundred sixteen".