3156663 has 4 divisors (see below), whose sum is σ = 4208888. Its totient is φ = 2104440.

The previous prime is 3156653. The next prime is 3156667. The reversal of 3156663 is 3666513.

3156663 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 an emirpimes, since its reverse is a distinct semiprime: 3666513 = 3 ⋅1222171.

It is not a de Polignac number, because 3156663 - 2⁶ = 3156599 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

3156663 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3156663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156667) 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, 526108 + ... + 526113.

It is an arithmetic number, because the mean of its divisors is an integer number (1052222).

Almost surely, 2^3156663 is an apocalyptic number.

3156663 is a deficient number, since it is larger than the sum of its proper divisors (1052225).

3156663 is a wasteful number, since it uses less digits than its factorization.

3156663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052224.

The product of its digits is 9720, while the sum is 30.

The square root of 3156663 is about 1776.7000309563. The cubic root of 3156663 is about 146.6930054855.

The spelling of 3156663 in words is "three million, one hundred fifty-six thousand, six hundred sixty-three".