2066541031100 has 144 divisors (see below), whose sum is σ = 5668424155968. Its totient is φ = 636349685760.

The previous prime is 2066541031069. The next prime is 2066541031133. The reversal of 2066541031100 is 11301456602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2732117 + ... + 3405516.

Almost surely, 2^{2066541031100} is an apocalyptic number.

2066541031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066541031100 is an abundant number, since it is smaller than the sum of its proper divisors (3601883124868).

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

2066541031100 is a wasteful number, since it uses less digits than its factorization.

2066541031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137704 (or 6137697 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 2066541031100 its reverse (11301456602), we get a palindrome (2077842487702).

The spelling of 2066541031100 in words is "two trillion, sixty-six billion, five hundred forty-one million, thirty-one thousand, one hundred".