646365605033352 has 128 divisors (see below), whose sum is σ = 1646566871040000. Its totient is φ = 211403801905920.

The previous prime is 646365605033339. The next prime is 646365605033399. The reversal of 646365605033352 is 253330506563646.

It is a junction number, because it is equal to n+sod(n) for n = 646365605033292 and 646365605033301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487677649 + ... + 489001247.

It is an arithmetic number, because the mean of its divisors is an integer number (12863803680000).

Almost surely, 2^{646365605033352} is an apocalyptic number.

It is an amenable number.

646365605033352 is an abundant number, since it is smaller than the sum of its proper divisors (1000201266006648).

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

646365605033352 is a wasteful number, since it uses less digits than its factorization.

646365605033352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325291 (or 1325287 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 57.

The spelling of 646365605033352 in words is "six hundred forty-six trillion, three hundred sixty-five billion, six hundred five million, thirty-three thousand, three hundred fifty-two".