13646915061 has 8 divisors (see below), whose sum is σ = 19595570400. Its totient is φ = 8398101552.

The previous prime is 13646915027. The next prime is 13646915143. The reversal of 13646915061 is 16051964631.

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

It is not a de Polignac number, because 13646915061 - 2²² = 13642720757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13646915861) 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, 174960411 + ... + 174960488.

It is an arithmetic number, because the mean of its divisors is an integer number (2449446300).

Almost surely, 2^13646915061 is an apocalyptic number.

It is an amenable number.

13646915061 is a deficient number, since it is larger than the sum of its proper divisors (5948655339).

13646915061 is a wasteful number, since it uses less digits than its factorization.

13646915061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349920915.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 13646915061 in words is "thirteen billion, six hundred forty-six million, nine hundred fifteen thousand, sixty-one".