162810913 has 4 divisors (see below), whose sum is σ = 165570480. Its totient is φ = 160051348.

The previous prime is 162810827. The next prime is 162810919. The reversal of 162810913 is 319018261.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162810913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162810919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379695 + ... + 1379812.

It is an arithmetic number, because the mean of its divisors is an integer number (41392620).

Almost surely, 2^162810913 is an apocalyptic number.

It is an amenable number.

162810913 is a deficient number, since it is larger than the sum of its proper divisors (2759567).

162810913 is an equidigital number, since it uses as much as digits as its factorization.

162810913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759566.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 162810913 is about 12759.7379675290. The cubic root of 162810913 is about 546.0442487631.

The spelling of 162810913 in words is "one hundred sixty-two million, eight hundred ten thousand, nine hundred thirteen".