3155620216 has 32 divisors (see below), whose sum is σ = 6773366880. Its totient is φ = 1350144000.

The previous prime is 3155620211. The next prime is 3155620253. The reversal of 3155620216 is 6120265513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155620211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13225 + ... + 80536.

It is an arithmetic number, because the mean of its divisors is an integer number (211667715).

Almost surely, 2^3155620216 is an apocalyptic number.

It is an amenable number.

3155620216 is an abundant number, since it is smaller than the sum of its proper divisors (3617746664).

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

3155620216 is a wasteful number, since it uses less digits than its factorization.

3155620216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94375 (or 94371 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 3155620216 is about 56174.9073519485. The cubic root of 3155620216 is about 1466.7685066566.

Adding to 3155620216 its reverse (6120265513), we get a palindrome (9275885729).

The spelling of 3155620216 in words is "three billion, one hundred fifty-five million, six hundred twenty thousand, two hundred sixteen".