1663248835446 has 32 divisors (see below), whose sum is σ = 3629106412416. Its totient is φ = 503987040000.

The previous prime is 1663248835397. The next prime is 1663248835453. The reversal of 1663248835446 is 6445388423661.

It is a super-2 number, since 2×1663248835446² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1663248835446.

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 15 ways as a sum of consecutive naturals, for example, 529701 + ... + 1899231.

It is an arithmetic number, because the mean of its divisors is an integer number (113409575388).

Almost surely, 2^{1663248835446} is an apocalyptic number.

1663248835446 is an abundant number, since it is smaller than the sum of its proper divisors (1965857576970).

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

1663248835446 is a wasteful number, since it uses less digits than its factorization.

1663248835446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387948.

The product of its digits is 79626240, while the sum is 60.

The spelling of 1663248835446 in words is "one trillion, six hundred sixty-three billion, two hundred forty-eight million, eight hundred thirty-five thousand, four hundred forty-six".