6198532081 has 8 divisors (see below), whose sum is σ = 7086273984. Its totient is φ = 5311349520.

The previous prime is 6198532079. The next prime is 6198532091. The reversal of 6198532081 is 1802358916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6198532081 - 2¹ = 6198532079 is a prime.

It is a super-2 number, since 2×6198532081² = 76843599918372381122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6198532091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 115810 + ... + 160651.

It is an arithmetic number, because the mean of its divisors is an integer number (885784248).

Almost surely, 2^6198532081 is an apocalyptic number.

It is an amenable number.

6198532081 is a deficient number, since it is larger than the sum of its proper divisors (887741903).

6198532081 is a wasteful number, since it uses less digits than its factorization.

6198532081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279671.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 6198532081 is about 78730.7568933514. The cubic root of 6198532081 is about 1836.9455546930.

The spelling of 6198532081 in words is "six billion, one hundred ninety-eight million, five hundred thirty-two thousand, eighty-one".