1628134680164 has 12 divisors (see below), whose sum is σ = 2999195463600. Its totient is φ = 771221690568.

The previous prime is 1628134680163. The next prime is 1628134680173. The reversal of 1628134680164 is 4610864318261.

It is not an unprimeable number, because it can be changed into a prime (1628134680163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10711412294 + ... + 10711412445.

It is an arithmetic number, because the mean of its divisors is an integer number (249932955300).

Almost surely, 2^{1628134680164} is an apocalyptic number.

It is an amenable number.

1628134680164 is a deficient number, since it is larger than the sum of its proper divisors (1371060783436).

1628134680164 is a wasteful number, since it uses less digits than its factorization.

1628134680164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21422824762 (or 21422824760 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 1628134680164 in words is "one trillion, six hundred twenty-eight billion, one hundred thirty-four million, six hundred eighty thousand, one hundred sixty-four".