6554461881 has 16 divisors (see below), whose sum is σ = 9535711680. Its totient is φ = 3971589120.

The previous prime is 6554461841. The next prime is 6554461891. The reversal of 6554461881 is 1881644556.

It is not a de Polignac number, because 6554461881 - 2¹⁴ = 6554445497 is a prime.

It is a super-2 number, since 2×6554461881² = 85921941098964116322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6554461881.

It is not an unprimeable number, because it can be changed into a prime (6554461841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170281 + ... + 205193.

It is an arithmetic number, because the mean of its divisors is an integer number (595981980).

Almost surely, 2^6554461881 is an apocalyptic number.

It is an amenable number.

6554461881 is a deficient number, since it is larger than the sum of its proper divisors (2981249799).

6554461881 is a wasteful number, since it uses less digits than its factorization.

6554461881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40616.

The product of its digits is 921600, while the sum is 48.

The square root of 6554461881 is about 80959.6311812251. The cubic root of 6554461881 is about 1871.4533851666.

The spelling of 6554461881 in words is "six billion, five hundred fifty-four million, four hundred sixty-one thousand, eight hundred eighty-one".