3621156162 has 128 divisors (see below), whose sum is σ = 8661945600. Its totient is φ = 998645760.

The previous prime is 3621156151. The next prime is 3621156163. The reversal of 3621156162 is 2616511263.

It is a super-3 number, since 3×3621156162³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3621156163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2336964 + ... + 2338512.

It is an arithmetic number, because the mean of its divisors is an integer number (67671450).

Almost surely, 2^3621156162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621156162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4330972800).

3621156162 is an abundant number, since it is smaller than the sum of its proper divisors (5040789438).

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

3621156162 is a wasteful number, since it uses less digits than its factorization.

3621156162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 12960, while the sum is 33.

The square root of 3621156162 is about 60176.0430902531. The cubic root of 3621156162 is about 1535.6152558424.

The spelling of 3621156162 in words is "three billion, six hundred twenty-one million, one hundred fifty-six thousand, one hundred sixty-two".