3646560961 has 8 divisors (see below), whose sum is σ = 3770820864. Its totient is φ = 3524355120.

The previous prime is 3646560947. The next prime is 3646561057. The reversal of 3646560961 is 1690656463.

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 3646560961 - 2¹¹ = 3646558913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646560901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509905 + ... + 517006.

It is an arithmetic number, because the mean of its divisors is an integer number (471352608).

Almost surely, 2^3646560961 is an apocalyptic number.

It is an amenable number.

3646560961 is a deficient number, since it is larger than the sum of its proper divisors (124259903).

3646560961 is a wasteful number, since it uses less digits than its factorization.

3646560961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027031.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 3646560961 is about 60386.7614713689. The cubic root of 3646560961 is about 1539.1980083734.

The spelling of 3646560961 in words is "three billion, six hundred forty-six million, five hundred sixty thousand, nine hundred sixty-one".