3162661 has 4 divisors (see below), whose sum is σ = 3300192. Its totient is φ = 3025132.

The previous prime is 3162659. The next prime is 3162671. The reversal of 3162661 is 1662613.

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: 1662613 = 331 ⋅5023.

It is a cyclic number.

It is not a de Polignac number, because 3162661 - 2¹ = 3162659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68731 + ... + 68776.

It is an arithmetic number, because the mean of its divisors is an integer number (825048).

Almost surely, 2^3162661 is an apocalyptic number.

It is an amenable number.

3162661 is a deficient number, since it is larger than the sum of its proper divisors (137531).

3162661 is a wasteful number, since it uses less digits than its factorization.

3162661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137530.

The product of its digits is 1296, while the sum is 25.

The square root of 3162661 is about 1778.3871906871. The cubic root of 3162661 is about 146.7858575422.

It can be divided in two parts, 31 and 62661, that multiplied together give a palindrome (1942491).

The spelling of 3162661 in words is "three million, one hundred sixty-two thousand, six hundred sixty-one".