1566800481630 has 32 divisors (see below), whose sum is σ = 3785223955968. Its totient is φ = 415046484000.

The previous prime is 1566800481599. The next prime is 1566800481641. The reversal of 1566800481630 is 361840086651.

It is a self number, because there is not a number n which added to its sum of digits gives 1566800481630.

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, 172931506 + ... + 172940565.

It is an arithmetic number, because the mean of its divisors is an integer number (118288248624).

Almost surely, 2^{1566800481630} is an apocalyptic number.

1566800481630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1566800481630 is an abundant number, since it is smaller than the sum of its proper divisors (2218423474338).

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

1566800481630 is a wasteful number, since it uses less digits than its factorization.

1566800481630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345872232.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 1566800481630 in words is "one trillion, five hundred sixty-six billion, eight hundred million, four hundred eighty-one thousand, six hundred thirty".