6120613881 has 16 divisors (see below), whose sum is σ = 9461819520. Its totient is φ = 3902999760.

The previous prime is 6120613847. The next prime is 6120613943. The reversal of 6120613881 is 1883160216.

6120613881 is a `hidden beast` number, since 612 + 0 + 6 + 1 + 38 + 8 + 1 = 666.

It is not a de Polignac number, because 6120613881 - 2⁶ = 6120613817 is a prime.

It is a super-2 number, since 2×6120613881² = 74923828560579764322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6120613801) 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 15 ways as a sum of consecutive naturals, for example, 4927410 + ... + 4928651.

It is an arithmetic number, because the mean of its divisors is an integer number (591363720).

Almost surely, 2^6120613881 is an apocalyptic number.

It is an amenable number.

6120613881 is a deficient number, since it is larger than the sum of its proper divisors (3341205639).

6120613881 is a wasteful number, since it uses less digits than its factorization.

6120613881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856093 (or 9856087 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 6120613881 is about 78234.3523076660. The cubic root of 6120613881 is about 1829.2160119366.

The spelling of 6120613881 in words is "six billion, one hundred twenty million, six hundred thirteen thousand, eight hundred eighty-one".