6168001620 has 72 divisors (see below), whose sum is σ = 18983194272. Its totient is φ = 1495271360.

The previous prime is 6168001613. The next prime is 6168001627. The reversal of 6168001620 is 261008616.

It is an interprime number because it is at equal distance from previous prime (6168001613) and next prime (6168001627).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6168001627) 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 23 ways as a sum of consecutive naturals, for example, 417534 + ... + 432053.

It is an arithmetic number, because the mean of its divisors is an integer number (263655476).

Almost surely, 2^6168001620 is an apocalyptic number.

6168001620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6168001620 is an abundant number, since it is smaller than the sum of its proper divisors (12815192652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6168001620 is a wasteful number, since it uses less digits than its factorization.

6168001620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849621 (or 849608 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 6168001620 is about 78536.6259779474. The cubic root of 6168001620 is about 1833.9246714667.

The spelling of 6168001620 in words is "six billion, one hundred sixty-eight million, one thousand, six hundred twenty".