6162581421 has 12 divisors (see below), whose sum is σ = 9108518848. Its totient is φ = 4012843464.

The previous prime is 6162581371. The next prime is 6162581423. The reversal of 6162581421 is 1241852616.

It is a happy number.

6162581421 is a `hidden beast` number, since 6 + 1 + 625 + 8 + 1 + 4 + 21 = 666.

6162581421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6162581421 - 2⁹ = 6162580909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6162581423) 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 11 ways as a sum of consecutive naturals, for example, 7961605 + ... + 7962378.

Almost surely, 2^6162581421 is an apocalyptic number.

It is an amenable number.

6162581421 is a deficient number, since it is larger than the sum of its proper divisors (2945937427).

6162581421 is a wasteful number, since it uses less digits than its factorization.

6162581421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15924032 (or 15924029 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 6162581421 is about 78502.1109334010. The cubic root of 6162581421 is about 1833.3873202357.

The spelling of 6162581421 in words is "six billion, one hundred sixty-two million, five hundred eighty-one thousand, four hundred twenty-one".