1663242601100 has 108 divisors (see below), whose sum is σ = 3776517870720. Its totient is φ = 635774832000.

The previous prime is 1663242601087. The next prime is 1663242601109. The reversal of 1663242601100 is 11062423661.

It is a super-2 number, since 2×1663242601100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1663242601109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58651925 + ... + 58680275.

Almost surely, 2^{1663242601100} is an apocalyptic number.

1663242601100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1663242601100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888258935360).

1663242601100 is an abundant number, since it is smaller than the sum of its proper divisors (2113275269620).

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

1663242601100 is a wasteful number, since it uses less digits than its factorization.

1663242601100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29520 (or 29490 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1663242601100 in words is "one trillion, six hundred sixty-three billion, two hundred forty-two million, six hundred one thousand, one hundred".