3158217216 has 800 divisors, whose sum is σ = 12548625408. Its totient is φ = 766402560.

The previous prime is 3158217203. The next prime is 3158217269. The reversal of 3158217216 is 6127128513.

3158217216 is a `hidden beast` number, since 3 + 1 + 582 + 1 + 72 + 1 + 6 = 666.

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

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 73446891 + ... + 73446933.

Almost surely, 2^3158217216 is an apocalyptic number.

3158217216 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 3158217216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6274312704).

3158217216 is an abundant number, since it is smaller than the sum of its proper divisors (9390408192).

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

3158217216 is a wasteful number, since it uses less digits than its factorization.

3158217216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 89 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 3158217216 is about 56198.0179009901. The cubic root of 3158217216 is about 1467.1707681318.

The spelling of 3158217216 in words is "three billion, one hundred fifty-eight million, two hundred seventeen thousand, two hundred sixteen".