6460664642146 has 32 divisors (see below), whose sum is σ = 11880237091968. Its totient is φ = 2592908883840.

The previous prime is 6460664642063. The next prime is 6460664642147. The reversal of 6460664642146 is 6412464660646.

It is not an unprimeable number, because it can be changed into a prime (6460664642147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491074651 + ... + 491087806.

It is an arithmetic number, because the mean of its divisors is an integer number (371257409124).

Almost surely, 2^{6460664642146} is an apocalyptic number.

6460664642146 is a deficient number, since it is larger than the sum of its proper divisors (5419572449822).

6460664642146 is a wasteful number, since it uses less digits than its factorization.

6460664642146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982162506.

The product of its (nonzero) digits is 23887872, while the sum is 55.

The spelling of 6460664642146 in words is "six trillion, four hundred sixty billion, six hundred sixty-four million, six hundred forty-two thousand, one hundred forty-six".