6155516380 has 48 divisors (see below), whose sum is σ = 13932495360. Its totient is φ = 2270919168.

The previous prime is 6155516377. The next prime is 6155516387. The reversal of 6155516380 is 836155516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155516387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325957 + ... + 344323.

It is an arithmetic number, because the mean of its divisors is an integer number (290260320).

Almost surely, 2^6155516380 is an apocalyptic number.

It is an amenable number.

6155516380 is an abundant number, since it is smaller than the sum of its proper divisors (7776978980).

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

6155516380 is a wasteful number, since it uses less digits than its factorization.

6155516380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19678 (or 19676 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 6155516380 is about 78457.0989777216. The cubic root of 6155516380 is about 1832.6864283641.

The spelling of 6155516380 in words is "six billion, one hundred fifty-five million, five hundred sixteen thousand, three hundred eighty".