612178382468 has 24 divisors (see below), whose sum is σ = 1088925720960. Its totient is φ = 301057218720.

The previous prime is 612178382443. The next prime is 612178382489. The reversal of 612178382468 is 864283871216.

It is a super-2 number, since 2×612178382468² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6783023 + ... + 6872681.

It is an arithmetic number, because the mean of its divisors is an integer number (45371905040).

Almost surely, 2^612178382468 is an apocalyptic number.

It is an amenable number.

612178382468 is a deficient number, since it is larger than the sum of its proper divisors (476747338492).

612178382468 is a wasteful number, since it uses less digits than its factorization.

612178382468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117707 (or 117705 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The spelling of 612178382468 in words is "six hundred twelve billion, one hundred seventy-eight million, three hundred eighty-two thousand, four hundred sixty-eight".