162993937 has 4 divisors (see below), whose sum is σ = 163676160. Its totient is φ = 162311716.

The previous prime is 162993899. The next prime is 162993953. The reversal of 162993937 is 739399261.

162993937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739399261 = 73 ⋅10128757.

It is a cyclic number.

It is not a de Polignac number, because 162993937 - 2¹¹ = 162991889 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162993967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340753 + ... + 341230.

It is an arithmetic number, because the mean of its divisors is an integer number (40919040).

Almost surely, 2^162993937 is an apocalyptic number.

It is an amenable number.

162993937 is a deficient number, since it is larger than the sum of its proper divisors (682223).

162993937 is an equidigital number, since it uses as much as digits as its factorization.

162993937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682222.

The product of its digits is 551124, while the sum is 49.

The square root of 162993937 is about 12766.9078871902. The cubic root of 162993937 is about 546.2487841455.

The spelling of 162993937 in words is "one hundred sixty-two million, nine hundred ninety-three thousand, nine hundred thirty-seven".