6155320320 has 396 divisors, whose sum is σ = 22196767320. Its totient is φ = 1577041920.

The previous prime is 6155320319. The next prime is 6155320331. The reversal of 6155320320 is 230235516.

6155320320 is a `hidden beast` number, since 6 + 15 + 5 + 320 + 320 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44282811 + ... + 44282949.

Almost surely, 2^6155320320 is an apocalyptic number.

6155320320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6155320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11098383660).

6155320320 is an abundant number, since it is smaller than the sum of its proper divisors (16041447000).

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

6155320320 is a wasteful number, since it uses less digits than its factorization.

6155320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 6155320320 is about 78455.8494951141. The cubic root of 6155320320 is about 1832.6669704614. Note that the first 3 decimals are identical.

Adding to 6155320320 its reverse (230235516), we get a palindrome (6385555836).

The spelling of 6155320320 in words is "six billion, one hundred fifty-five million, three hundred twenty thousand, three hundred twenty".