1663900041630 has 32 divisors (see below), whose sum is σ = 3993609955104. Its totient is φ = 443678916096.

The previous prime is 1663900041589. The next prime is 1663900041641. The reversal of 1663900041630 is 361400093661.

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, 1245367 + ... + 2208786.

It is an arithmetic number, because the mean of its divisors is an integer number (124800311097).

Almost surely, 2^{1663900041630} is an apocalyptic number.

1663900041630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663900041630 is an abundant number, since it is smaller than the sum of its proper divisors (2329709913474).

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

1663900041630 is a wasteful number, since it uses less digits than its factorization.

1663900041630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470220.

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 1663900041630 in words is "one trillion, six hundred sixty-three billion, nine hundred million, forty-one thousand, six hundred thirty".