1808947339662 has 32 divisors (see below), whose sum is σ = 3660060547584. Its totient is φ = 595971360000.

The previous prime is 1808947339649. The next prime is 1808947339679. The reversal of 1808947339662 is 2669337498081.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1808947339593 and 1808947339602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632264 + ... + 2506427.

It is an arithmetic number, because the mean of its divisors is an integer number (114376892112).

Almost surely, 2^{1808947339662} is an apocalyptic number.

1808947339662 is an abundant number, since it is smaller than the sum of its proper divisors (1851113207922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1808947339662 is a wasteful number, since it uses less digits than its factorization.

1808947339662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139544.

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 1808947339662 in words is "one trillion, eight hundred eight billion, nine hundred forty-seven million, three hundred thirty-nine thousand, six hundred sixty-two".