2143023362164 has 24 divisors (see below), whose sum is σ = 3879680169960. Its totient is φ = 1034544626304.

The previous prime is 2143023362159. The next prime is 2143023362201. The reversal of 2143023362164 is 4612633203412.

It can be written as a sum of positive squares in 4 ways, for example, as 390947566564 + 1752075795600 = 625258^2 + 1323660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8244082 + ... + 8500054.

It is an arithmetic number, because the mean of its divisors is an integer number (161653340415).

Almost surely, 2^{2143023362164} is an apocalyptic number.

It is an amenable number.

2143023362164 is a deficient number, since it is larger than the sum of its proper divisors (1736656807796).

2143023362164 is a wasteful number, since it uses less digits than its factorization.

2143023362164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328179 (or 328177 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 2143023362164 its reverse (4612633203412), we get a palindrome (6755656565576).

The spelling of 2143023362164 in words is "two trillion, one hundred forty-three billion, twenty-three million, three hundred sixty-two thousand, one hundred sixty-four".