6678345562340 has 24 divisors (see below), whose sum is σ = 14055213940152. Its totient is φ = 2665492842240.

The previous prime is 6678345562307. The next prime is 6678345562411. The reversal of 6678345562340 is 432655438766.

It can be written as a sum of positive squares in 4 ways, for example, as 2754079649764 + 3924265912576 = 1659542^2 + 1980976^2 .

It is a super-3 number, since 3×6678345562340³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6678345562340.

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, 365327051 + ... + 365345330.

It is an arithmetic number, because the mean of its divisors is an integer number (585633914173).

Almost surely, 2^{6678345562340} is an apocalyptic number.

It is an amenable number.

6678345562340 is an abundant number, since it is smaller than the sum of its proper divisors (7376868377812).

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

6678345562340 is a wasteful number, since it uses less digits than its factorization.

6678345562340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730672847 (or 730672845 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 59.

The spelling of 6678345562340 in words is "six trillion, six hundred seventy-eight billion, three hundred forty-five million, five hundred sixty-two thousand, three hundred forty".