8820432409181 has 16 divisors (see below), whose sum is σ = 9089646206784. Its totient is φ = 8552852290944.

The previous prime is 8820432409127. The next prime is 8820432409231. The reversal of 8820432409181 is 1819042340288.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8820432409181 is a prime.

It is a super-2 number, since 2×8820432409181² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820432409381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57678086 + ... + 57830808.

It is an arithmetic number, because the mean of its divisors is an integer number (568102887924).

Almost surely, 2^{8820432409181} is an apocalyptic number.

It is an amenable number.

8820432409181 is a deficient number, since it is larger than the sum of its proper divisors (269213797603).

8820432409181 is a wasteful number, since it uses less digits than its factorization.

8820432409181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158060.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 8820432409181 in words is "eight trillion, eight hundred twenty billion, four hundred thirty-two million, four hundred nine thousand, one hundred eighty-one".