162758540 has 48 divisors (see below), whose sum is σ = 394447872. Its totient is φ = 55256256.

The previous prime is 162758513. The next prime is 162758543. The reversal of 162758540 is 45857261.

It is a junction number, because it is equal to n+sod(n) for n = 162758494 and 162758503.

It is not an unprimeable number, because it can be changed into a prime (162758543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8777 + ... + 20063.

It is an arithmetic number, because the mean of its divisors is an integer number (8217664).

Almost surely, 2^162758540 is an apocalyptic number.

162758540 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 162758540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197223936).

162758540 is an abundant number, since it is smaller than the sum of its proper divisors (231689332).

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

162758540 is a wasteful number, since it uses less digits than its factorization.

162758540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406 (or 11404 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 162758540 is about 12757.6855267717. The cubic root of 162758540 is about 545.9856919954.

The spelling of 162758540 in words is "one hundred sixty-two million, seven hundred fifty-eight thousand, five hundred forty".