646120101232 has 10 divisors (see below), whose sum is σ = 1251857696168. Its totient is φ = 323060050608.

The previous prime is 646120101167. The next prime is 646120101251. The reversal of 646120101232 is 232101021646.

646120101232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 646120101232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191253148 + ... + 20191253179.

Almost surely, 2^646120101232 is an apocalyptic number.

It is an amenable number.

646120101232 is a deficient number, since it is larger than the sum of its proper divisors (605737594936).

646120101232 is a wasteful number, since it uses less digits than its factorization.

646120101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40382506335 (or 40382506329 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 646120101232 its reverse (232101021646), we get a palindrome (878221122878).

The spelling of 646120101232 in words is "six hundred forty-six billion, one hundred twenty million, one hundred one thousand, two hundred thirty-two".