162556340 has 24 divisors (see below), whose sum is σ = 349308960. Its totient is φ = 63510048.

The previous prime is 162556319. The next prime is 162556357. The reversal of 162556340 is 43655261.

It is a junction number, because it is equal to n+sod(n) for n = 162556297 and 162556306.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 93650 + ... + 95369.

It is an arithmetic number, because the mean of its divisors is an integer number (14554540).

Almost surely, 2^162556340 is an apocalyptic number.

162556340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162556340 is an abundant number, since it is smaller than the sum of its proper divisors (186752620).

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

162556340 is a wasteful number, since it uses less digits than its factorization.

162556340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189071 (or 189069 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 162556340 is about 12749.7584290841. The cubic root of 162556340 is about 545.7594999615.

The spelling of 162556340 in words is "one hundred sixty-two million, five hundred fifty-six thousand, three hundred forty".