3122151660 has 144 divisors (see below), whose sum is σ = 10066073472. Its totient is φ = 780595200.

The previous prime is 3122151623. The next prime is 3122151661. The reversal of 3122151660 is 661512213.

It is not an unprimeable number, because it can be changed into a prime (3122151661) 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 47 ways as a sum of consecutive naturals, for example, 858045 + ... + 861675.

It is an arithmetic number, because the mean of its divisors is an integer number (69903288).

Almost surely, 2^3122151660 is an apocalyptic number.

3122151660 is a gapful number since it is divisible by the number (30) 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 3122151660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5033036736).

3122151660 is an abundant number, since it is smaller than the sum of its proper divisors (6943921812).

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

3122151660 is a wasteful number, since it uses less digits than its factorization.

3122151660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 3122151660 is about 55876.2173021761. The cubic root of 3122151660 is about 1461.5645422592.

Adding to 3122151660 its reverse (661512213), we get a palindrome (3783663873).

The spelling of 3122151660 in words is "three billion, one hundred twenty-two million, one hundred fifty-one thousand, six hundred sixty".