6487164140032 has 60 divisors (see below), whose sum is σ = 13549711141890. Its totient is φ = 3102556633088.

The previous prime is 6487164140029. The next prime is 6487164140063. The reversal of 6487164140032 is 2300414617846.

It can be written as a sum of positive squares in only one way, i.e., 5472680069376 + 1014484070656 = 2339376^2 + 1007216^2 .

It is a super-2 number, since 2×6487164140032² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 5 ways as a sum of consecutive naturals, for example, 11704807 + ... + 12246502.

Almost surely, 2^{6487164140032} is an apocalyptic number.

It is an amenable number.

6487164140032 is an abundant number, since it is smaller than the sum of its proper divisors (7062547001858).

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

6487164140032 is an equidigital number, since it uses as much as digits as its factorization.

6487164140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23951373 (or 23951334 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

Adding to 6487164140032 its reverse (2300414617846), we get a palindrome (8787578757878).

The spelling of 6487164140032 in words is "six trillion, four hundred eighty-seven billion, one hundred sixty-four million, one hundred forty thousand, thirty-two".