1868864664352 has 48 divisors (see below), whose sum is σ = 4205805593472. Its totient is φ = 800778170880.

The previous prime is 1868864664347. The next prime is 1868864664353. The reversal of 1868864664352 is 2534664688681.

It is not an unprimeable number, because it can be changed into a prime (1868864664353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247452 + ... + 1949092.

It is an arithmetic number, because the mean of its divisors is an integer number (87620949864).

Almost surely, 2^{1868864664352} is an apocalyptic number.

It is an amenable number.

1868864664352 is an abundant number, since it is smaller than the sum of its proper divisors (2336940929120).

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

1868864664352 is a wasteful number, since it uses less digits than its factorization.

1868864664352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706561 (or 1706553 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 67.

The spelling of 1868864664352 in words is "one trillion, eight hundred sixty-eight billion, eight hundred sixty-four million, six hundred sixty-four thousand, three hundred fifty-two".