3266812061 has 4 divisors (see below), whose sum is σ = 3408847392. Its totient is φ = 3124776732.

The previous prime is 3266812051. The next prime is 3266812069. The reversal of 3266812061 is 1602186623.

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: 1602186623 = 1627 ⋅984749.

It is a cyclic number.

It is not a de Polignac number, because 3266812061 - 2¹⁸ = 3266549917 is a prime.

It is a super-2 number, since 2×3266812061² = 21344122083790135442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3266812069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71017631 + ... + 71017676.

It is an arithmetic number, because the mean of its divisors is an integer number (852211848).

Almost surely, 2^3266812061 is an apocalyptic number.

It is an amenable number.

3266812061 is a deficient number, since it is larger than the sum of its proper divisors (142035331).

3266812061 is a wasteful number, since it uses less digits than its factorization.

3266812061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142035330.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3266812061 is about 57156.0325862459. The cubic root of 3266812061 is about 1483.7977793305.

Adding to 3266812061 its reverse (1602186623), we get a palindrome (4868998684).

The spelling of 3266812061 in words is "three billion, two hundred sixty-six million, eight hundred twelve thousand, sixty-one".