162656340 has 384 divisors, whose sum is σ = 638668800. Its totient is φ = 29859840.

The previous prime is 162656327. The next prime is 162656341. The reversal of 162656340 is 43656261.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162656341) 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 127 ways as a sum of consecutive naturals, for example, 1492206 + ... + 1492314.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^162656340 is an apocalyptic number.

162656340 is a gapful number since it is divisible by the number (10) 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 162656340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319334400).

162656340 is an abundant number, since it is smaller than the sum of its proper divisors (476012460).

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

162656340 is a wasteful number, since it uses less digits than its factorization.

162656340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 162656340 is about 12753.6794690787. The cubic root of 162656340 is about 545.8713888870.

The spelling of 162656340 in words is "one hundred sixty-two million, six hundred fifty-six thousand, three hundred forty".