255156616 has 64 divisors (see below), whose sum is σ = 581515200. Its totient is φ = 103353600.

The previous prime is 255156613. The next prime is 255156617. The reversal of 255156616 is 616651552.

It is not an unprimeable number, because it can be changed into a prime (255156613) 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 15 ways as a sum of consecutive naturals, for example, 29331 + ... + 37021.

It is an arithmetic number, because the mean of its divisors is an integer number (9086175).

Almost surely, 2^255156616 is an apocalyptic number.

255156616 is a gapful number since it is divisible by the number (26) 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 255156616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290757600).

255156616 is an abundant number, since it is smaller than the sum of its proper divisors (326358584).

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

255156616 is a wasteful number, since it uses less digits than its factorization.

255156616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750 (or 7746 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 255156616 is about 15973.6225071209. The cubic root of 255156616 is about 634.2623678994.

It can be divided in two parts, 25515 and 6616, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 255156616 in words is "two hundred fifty-five million, one hundred fifty-six thousand, six hundred sixteen".