6456642466546 has 16 divisors (see below), whose sum is σ = 10454533531200. Its totient is φ = 2981478079888.

The previous prime is 6456642466531. The next prime is 6456642466559.

6456642466546 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420029576 + ... + 2420032243.

It is an arithmetic number, because the mean of its divisors is an integer number (653408345700).

Almost surely, 2^{6456642466546} is an apocalyptic number.

6456642466546 is a deficient number, since it is larger than the sum of its proper divisors (3997891064654).

6456642466546 is a wasteful number, since it uses less digits than its factorization.

6456642466546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840061873.

The product of its digits is 597196800, while the sum is 64.

The spelling of 6456642466546 in words is "six trillion, four hundred fifty-six billion, six hundred forty-two million, four hundred sixty-six thousand, five hundred forty-six".