162667913 has 4 divisors (see below), whose sum is σ = 162793680. Its totient is φ = 162542148.

The previous prime is 162667903. The next prime is 162667991. The reversal of 162667913 is 319766261.

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: 319766261 = 1493 ⋅214177.

It is a cyclic number.

It is not a de Polignac number, because 162667913 - 2⁸ = 162667657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162667903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60923 + ... + 63536.

It is an arithmetic number, because the mean of its divisors is an integer number (40698420).

Almost surely, 2^162667913 is an apocalyptic number.

It is an amenable number.

162667913 is a deficient number, since it is larger than the sum of its proper divisors (125767).

162667913 is a wasteful number, since it uses less digits than its factorization.

162667913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125766.

The product of its digits is 81648, while the sum is 41.

The square root of 162667913 is about 12754.1331732109. The cubic root of 162667913 is about 545.8843348313.

The spelling of 162667913 in words is "one hundred sixty-two million, six hundred sixty-seven thousand, nine hundred thirteen".