2321620361648 has 40 divisors (see below), whose sum is σ = 5306560834560. Its totient is φ = 962884019520.

The previous prime is 2321620361623. The next prime is 2321620361653. The reversal of 2321620361648 is 8461630261232.

It is a super-2 number, since 2×2321620361648² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321620361599 and 2321620361608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334331258 + ... + 334338201.

It is an arithmetic number, because the mean of its divisors is an integer number (132664020864).

Almost surely, 2^{2321620361648} is an apocalyptic number.

2321620361648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2321620361648 is an abundant number, since it is smaller than the sum of its proper divisors (2984940472912).

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

2321620361648 is a wasteful number, since it uses less digits than its factorization.

2321620361648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668669505 (or 668669499 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 2321620361648 in words is "two trillion, three hundred twenty-one billion, six hundred twenty million, three hundred sixty-one thousand, six hundred forty-eight".