162723456 has 192 divisors, whose sum is σ = 567103680. Its totient is φ = 43720704.

The previous prime is 162723427. The next prime is 162723461. The reversal of 162723456 is 654327261.

162723456 is a `hidden beast` number, since 1 + 627 + 23 + 4 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a self number, because there is not a number n which added to its sum of digits gives 162723456.

It is an unprimeable number.

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, 136495 + ... + 137681.

It is an arithmetic number, because the mean of its divisors is an integer number (2953665).

Almost surely, 2^162723456 is an apocalyptic number.

162723456 is a gapful number since it is divisible by the number (16) 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 162723456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283551840).

162723456 is an abundant number, since it is smaller than the sum of its proper divisors (404380224).

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

162723456 is a wasteful number, since it uses less digits than its factorization.

162723456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1216 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 162723456 is about 12756.3104383674. The cubic root of 162723456 is about 545.9464585424.

The spelling of 162723456 in words is "one hundred sixty-two million, seven hundred twenty-three thousand, four hundred fifty-six".