162540801 has 12 divisors (see below), whose sum is σ = 247138320. Its totient is φ = 102657240.

The previous prime is 162540743. The next prime is 162540869. The reversal of 162540801 is 108045261.

It is not a de Polignac number, because 162540801 - 2¹⁰ = 162539777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162540881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475095 + ... + 475436.

It is an arithmetic number, because the mean of its divisors is an integer number (20594860).

Almost surely, 2^162540801 is an apocalyptic number.

It is an amenable number.

162540801 is a deficient number, since it is larger than the sum of its proper divisors (84597519).

162540801 is a wasteful number, since it uses less digits than its factorization.

162540801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950556 (or 950553 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 162540801 is about 12749.1490304255. The cubic root of 162540801 is about 545.7421094225.

The spelling of 162540801 in words is "one hundred sixty-two million, five hundred forty thousand, eight hundred one".