6454507656616 has 8 divisors (see below), whose sum is σ = 12102201856170. Its totient is φ = 3227253828304.

The previous prime is 6454507656577. The next prime is 6454507656659. The reversal of 6454507656616 is 6166567054546.

It can be written as a sum of positive squares in only one way, i.e., 5391451802500 + 1063055854116 = 2321950^2 + 1031046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403406728531 + ... + 403406728546.

Almost surely, 2^{6454507656616} is an apocalyptic number.

It is an amenable number.

6454507656616 is a deficient number, since it is larger than the sum of its proper divisors (5647694199554).

6454507656616 is a wasteful number, since it uses less digits than its factorization.

6454507656616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806813457083 (or 806813457079 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 61.

The spelling of 6454507656616 in words is "six trillion, four hundred fifty-four billion, five hundred seven million, six hundred fifty-six thousand, six hundred sixteen".