6545631716470 has 256 divisors, whose sum is σ = 15290966605824. Its totient is φ = 1958292288000.

The previous prime is 6545631716443. The next prime is 6545631716473. The reversal of 6545631716470 is 746171365456.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545631716473) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 795237255 + ... + 795245485.

It is an arithmetic number, because the mean of its divisors is an integer number (59730338304).

Almost surely, 2^{6545631716470} is an apocalyptic number.

6545631716470 is an abundant number, since it is smaller than the sum of its proper divisors (8745334889354).

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

6545631716470 is a wasteful number, since it uses less digits than its factorization.

6545631716470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 6545631716470 in words is "six trillion, five hundred forty-five billion, six hundred thirty-one million, seven hundred sixteen thousand, four hundred seventy".