162270864 has 200 divisors, whose sum is σ = 555027968. Its totient is φ = 44789760.

The previous prime is 162270853. The next prime is 162270869. The reversal of 162270864 is 468072261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162270869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280944 + ... + 281520.

Almost surely, 2^162270864 is an apocalyptic number.

162270864 is a gapful number since it is divisible by the number (14) 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 162270864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277513984).

162270864 is an abundant number, since it is smaller than the sum of its proper divisors (392757104).

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

162270864 is a wasteful number, since it uses less digits than its factorization.

162270864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 162270864 is about 12738.5581601687. The cubic root of 162270864 is about 545.4398312394.

The spelling of 162270864 in words is "one hundred sixty-two million, two hundred seventy thousand, eight hundred sixty-four".