6456807801146 has 12 divisors (see below), whose sum is σ = 10221788528442. Its totient is φ = 3058487905464.

The previous prime is 6456807801133. The next prime is 6456807801161. The reversal of 6456807801146 is 6411087086546.

It can be written as a sum of positive squares in only one way, i.e., 4266955366921 + 2189852434225 = 2065661^2 + 1479815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6456807801091 and 6456807801100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4471472825 + ... + 4471474268.

Almost surely, 2^{6456807801146} is an apocalyptic number.

6456807801146 is a deficient number, since it is larger than the sum of its proper divisors (3764980727296).

6456807801146 is a wasteful number, since it uses less digits than its factorization.

6456807801146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942947133 (or 8942947114 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 6456807801146 in words is "six trillion, four hundred fifty-six billion, eight hundred seven million, eight hundred one thousand, one hundred forty-six".