1421166303800 has 48 divisors (see below), whose sum is σ = 3305651214960. Its totient is φ = 568218855680.

The previous prime is 1421166303787. The next prime is 1421166303853. The reversal of 1421166303800 is 83036611241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1087364 + ... + 2006163.

It is an arithmetic number, because the mean of its divisors is an integer number (68867733645).

Almost surely, 2^{1421166303800} is an apocalyptic number.

1421166303800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421166303800 is an abundant number, since it is smaller than the sum of its proper divisors (1884484911160).

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

1421166303800 is a wasteful number, since it uses less digits than its factorization.

1421166303800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095840 (or 3095831 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 1421166303800 in words is "one trillion, four hundred twenty-one billion, one hundred sixty-six million, three hundred three thousand, eight hundred".