646072035122 has 8 divisors (see below), whose sum is σ = 973453829376. Its totient is φ = 321587425332.

The previous prime is 646072035113. The next prime is 646072035139. The reversal of 646072035122 is 221530270646.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 724295558 + ... + 724296449.

It is an arithmetic number, because the mean of its divisors is an integer number (121681728672).

Almost surely, 2^646072035122 is an apocalyptic number.

646072035122 is a deficient number, since it is larger than the sum of its proper divisors (327381794254).

646072035122 is a wasteful number, since it uses less digits than its factorization.

646072035122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448592232.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 646072035122 in words is "six hundred forty-six billion, seventy-two million, thirty-five thousand, one hundred twenty-two".