6731051486640 has 80 divisors (see below), whose sum is σ = 22471356511968. Its totient is φ = 1656874211328.

The previous prime is 6731051486591. The next prime is 6731051486729. The reversal of 6731051486640 is 466841501376.

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, 1078691029 + ... + 1078697268.

Almost surely, 2^{6731051486640} is an apocalyptic number.

6731051486640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6731051486640 is an abundant number, since it is smaller than the sum of its proper divisors (15740305025328).

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

6731051486640 is a wasteful number, since it uses less digits than its factorization.

6731051486640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157388326 (or 2157388320 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 6731051486640 in words is "six trillion, seven hundred thirty-one billion, fifty-one million, four hundred eighty-six thousand, six hundred forty".