162213630 has 64 divisors (see below), whose sum is σ = 408215808. Its totient is φ = 41207040.

The previous prime is 162213599. The next prime is 162213631. The reversal of 162213630 is 36312261.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 162213630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162213631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51357 + ... + 54423.

It is an arithmetic number, because the mean of its divisors is an integer number (6378372).

Almost surely, 2^162213630 is an apocalyptic number.

162213630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162213630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204107904).

162213630 is an abundant number, since it is smaller than the sum of its proper divisors (246002178).

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

162213630 is a wasteful number, since it uses less digits than its factorization.

162213630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 162213630 is about 12736.3114754626. The cubic root of 162213630 is about 545.3756969611.

Adding to 162213630 its reverse (36312261), we get a palindrome (198525891).

The spelling of 162213630 in words is "one hundred sixty-two million, two hundred thirteen thousand, six hundred thirty".