3155252616 has 80 divisors (see below), whose sum is σ = 8847101340. Its totient is φ = 1050624000.

The previous prime is 3155252579. The next prime is 3155252627. The reversal of 3155252616 is 6162525513.

3155252616 is a `hidden beast` number, since 3 + 15 + 5 + 25 + 2 + 616 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2730480516 + 424772100 = 52254^2 + 20610^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 786616 + ... + 790616.

Almost surely, 2^3155252616 is an apocalyptic number.

3155252616 is a gapful number since it is divisible by the number (36) 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 3155252616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4423550670).

3155252616 is an abundant number, since it is smaller than the sum of its proper divisors (5691848724).

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

3155252616 is a wasteful number, since it uses less digits than its factorization.

3155252616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236 (or 5223 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 3155252616 is about 56171.6353331466. The cubic root of 3155252616 is about 1466.7115495448.

The spelling of 3155252616 in words is "three billion, one hundred fifty-five million, two hundred fifty-two thousand, six hundred sixteen".