3266615561 has 8 divisors (see below), whose sum is σ = 3564300000. Its totient is φ = 2969051040.

The previous prime is 3266615551. The next prime is 3266615563. The reversal of 3266615561 is 1655166623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3266615561 - 2²² = 3262421257 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 (3266615563) 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 7 ways as a sum of consecutive naturals, for example, 32690 + ... + 87188.

It is an arithmetic number, because the mean of its divisors is an integer number (445537500).

Almost surely, 2^3266615561 is an apocalyptic number.

It is an amenable number.

3266615561 is a deficient number, since it is larger than the sum of its proper divisors (297684439).

3266615561 is a wasteful number, since it uses less digits than its factorization.

3266615561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59959.

The product of its digits is 194400, while the sum is 41.

The square root of 3266615561 is about 57154.3135817411. The cubic root of 3266615561 is about 1483.7680283986.

The spelling of 3266615561 in words is "three billion, two hundred sixty-six million, six hundred fifteen thousand, five hundred sixty-one".