162546444 has 72 divisors (see below), whose sum is σ = 435402240. Its totient is φ = 50987232.

The previous prime is 162546431. The next prime is 162546491. The reversal of 162546444 is 444645261.

162546444 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 4 + 644 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 162546399 and 162546408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113517 + ... + 114939.

Almost surely, 2^162546444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162546444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217701120).

162546444 is an abundant number, since it is smaller than the sum of its proper divisors (272855796).

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

162546444 is a wasteful number, since it uses less digits than its factorization.

162546444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1614 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 162546444 is about 12749.3703373931. The cubic root of 162546444 is about 545.7484249385.

The spelling of 162546444 in words is "one hundred sixty-two million, five hundred forty-six thousand, four hundred forty-four".