3162561100 has 72 divisors (see below), whose sum is σ = 7126293888. Its totient is φ = 1216934400.

The previous prime is 3162561091. The next prime is 3162561107. The reversal of 3162561100 is 11652613.

It is a super-2 number, since 2×3162561100² = 20003585422466420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3162561107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533352 + ... + 539248.

It is an arithmetic number, because the mean of its divisors is an integer number (98976304).

Almost surely, 2^3162561100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3162561100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3563146944).

3162561100 is an abundant number, since it is smaller than the sum of its proper divisors (3963732788).

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

3162561100 is a wasteful number, since it uses less digits than its factorization.

3162561100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115 (or 6108 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 3162561100 is about 56236.6526386484. The cubic root of 3162561100 is about 1467.8431200172.

The spelling of 3162561100 in words is "three billion, one hundred sixty-two million, five hundred sixty-one thousand, one hundred".