6700721066160 has 80 divisors (see below), whose sum is σ = 22660620341760. Its totient is φ = 1624417227520.

The previous prime is 6700721066159. The next prime is 6700721066173. The reversal of 6700721066160 is 616601270076.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269073320 + ... + 1269078599.

It is an arithmetic number, because the mean of its divisors is an integer number (283257754272).

Almost surely, 2^{6700721066160} is an apocalyptic number.

6700721066160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6700721066160 is an abundant number, since it is smaller than the sum of its proper divisors (15959899275600).

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

6700721066160 is a wasteful number, since it uses less digits than its factorization.

6700721066160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538151946 (or 2538151940 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 6700721066160 in words is "six trillion, seven hundred billion, seven hundred twenty-one million, sixty-six thousand, one hundred sixty".