162090432 has 126 divisors (see below), whose sum is σ = 540550608. Its totient is φ = 46303488.

The previous prime is 162090421. The next prime is 162090433. The reversal of 162090432 is 234090261.

162090432 is a `hidden beast` number, since 1 + 620 + 9 + 0 + 4 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (126).

It is a junction number, because it is equal to n+sod(n) for n = 162090396 and 162090405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162090433) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25353 + ... + 31095.

Almost surely, 2^162090432 is an apocalyptic number.

162090432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162090432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270275304).

162090432 is an abundant number, since it is smaller than the sum of its proper divisors (378460176).

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

162090432 is a wasteful number, since it uses less digits than its factorization.

162090432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 162090432 is about 12731.4740701931. The cubic root of 162090432 is about 545.2375946905.

The spelling of 162090432 in words is "one hundred sixty-two million, ninety thousand, four hundred thirty-two".