162261330 has 128 divisors (see below), whose sum is σ = 511211520. Its totient is φ = 31933440.

The previous prime is 162261301. The next prime is 162261331. The reversal of 162261330 is 33162261.

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 162261330.

It is not an unprimeable number, because it can be changed into a prime (162261331) 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, 42042 + ... + 45738.

It is an arithmetic number, because the mean of its divisors is an integer number (3993840).

Almost surely, 2^162261330 is an apocalyptic number.

162261330 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 162261330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255605760).

162261330 is an abundant number, since it is smaller than the sum of its proper divisors (348950190).

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

162261330 is a wasteful number, since it uses less digits than its factorization.

162261330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744.

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

The square root of 162261330 is about 12738.1839364958. The cubic root of 162261330 is about 545.4291488428.

The spelling of 162261330 in words is "one hundred sixty-two million, two hundred sixty-one thousand, three hundred thirty".