6698407778132 has 12 divisors (see below), whose sum is σ = 13396815556320. Its totient is φ = 2870746190616.

The previous prime is 6698407778129. The next prime is 6698407778159. The reversal of 6698407778132 is 2318777048966.

6698407778132 is an admirable number.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119614424582 + ... + 119614424637.

It is an arithmetic number, because the mean of its divisors is an integer number (1116401296360).

Almost surely, 2^{6698407778132} is an apocalyptic number.

It is an amenable number.

6698407778132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6698407778132 is a wasteful number, since it uses less digits than its factorization.

6698407778132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239228849230 (or 239228849228 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 68.

The spelling of 6698407778132 in words is "six trillion, six hundred ninety-eight billion, four hundred seven million, seven hundred seventy-eight thousand, one hundred thirty-two".