6181623428 has 24 divisors (see below), whose sum is σ = 11291280000. Its totient is φ = 2955617280.

The previous prime is 6181623421. The next prime is 6181623433. The reversal of 6181623428 is 8243261816.

It is not an unprimeable number, because it can be changed into a prime (6181623421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453188 + ... + 466628.

It is an arithmetic number, because the mean of its divisors is an integer number (470470000).

Almost surely, 2^6181623428 is an apocalyptic number.

It is an amenable number.

6181623428 is a deficient number, since it is larger than the sum of its proper divisors (5109656572).

6181623428 is a wasteful number, since it uses less digits than its factorization.

6181623428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467 (or 18465 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 6181623428 is about 78623.3007956293. The cubic root of 6181623428 is about 1835.2737308909.

The spelling of 6181623428 in words is "six billion, one hundred eighty-one million, six hundred twenty-three thousand, four hundred twenty-eight".