162351666 has 48 divisors (see below), whose sum is σ = 373621248. Its totient is φ = 50774400.

The previous prime is 162351661. The next prime is 162351691. The reversal of 162351666 is 666153261.

It is a self number, because there is not a number n which added to its sum of digits gives 162351666.

It is not an unprimeable number, because it can be changed into a prime (162351661) 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 23 ways as a sum of consecutive naturals, for example, 131271 + ... + 132501.

It is an arithmetic number, because the mean of its divisors is an integer number (7783776).

Almost surely, 2^162351666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162351666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186810624).

162351666 is an abundant number, since it is smaller than the sum of its proper divisors (211269582).

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

162351666 is a wasteful number, since it uses less digits than its factorization.

162351666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1684 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 162351666 is about 12741.7293174828. The cubic root of 162351666 is about 545.5303492678.

The spelling of 162351666 in words is "one hundred sixty-two million, three hundred fifty-one thousand, six hundred sixty-six".