162642893 has 8 divisors (see below), whose sum is σ = 196811712. Its totient is φ = 131207616.

The previous prime is 162642847. The next prime is 162642911. The reversal of 162642893 is 398246261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162642893 - 2⁶ = 162642829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 162642893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162612893) 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 7 ways as a sum of consecutive naturals, for example, 683255 + ... + 683492.

It is an arithmetic number, because the mean of its divisors is an integer number (24601464).

Almost surely, 2^162642893 is an apocalyptic number.

It is an amenable number.

162642893 is a deficient number, since it is larger than the sum of its proper divisors (34168819).

162642893 is a wasteful number, since it uses less digits than its factorization.

162642893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366771.

The product of its digits is 124416, while the sum is 41.

The square root of 162642893 is about 12753.1522769863. The cubic root of 162642893 is about 545.8563458523.

The spelling of 162642893 in words is "one hundred sixty-two million, six hundred forty-two thousand, eight hundred ninety-three".