162656663 has 16 divisors (see below), whose sum is σ = 195239520. Its totient is φ = 133871616.

The previous prime is 162656609. The next prime is 162656693. The reversal of 162656663 is 366656261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 162656663 - 2²⁶ = 95547799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162656663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162656603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15170 + ... + 23567.

It is an arithmetic number, because the mean of its divisors is an integer number (12202470).

Almost surely, 2^162656663 is an apocalyptic number.

162656663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162656663 is a deficient number, since it is larger than the sum of its proper divisors (32582857).

162656663 is a wasteful number, since it uses less digits than its factorization.

162656663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38786.

The product of its digits is 233280, while the sum is 41.

The square root of 162656663 is about 12753.6921320847. The cubic root of 162656663 is about 545.8717502139.

The spelling of 162656663 in words is "one hundred sixty-two million, six hundred fifty-six thousand, six hundred sixty-three".