11660646455 has 8 divisors (see below), whose sum is σ = 14066037504. Its totient is φ = 9279676000.

The previous prime is 11660646419. The next prime is 11660646461. The reversal of 11660646455 is 55464606611.

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

It is not a de Polignac number, because 11660646455 - 2³² = 7365679159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104096 + ... + 6106005.

It is an arithmetic number, because the mean of its divisors is an integer number (1758254688).

Almost surely, 2^11660646455 is an apocalyptic number.

11660646455 is a deficient number, since it is larger than the sum of its proper divisors (2405391049).

11660646455 is a wasteful number, since it uses less digits than its factorization.

11660646455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210297.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 11660646455 in words is "eleven billion, six hundred sixty million, six hundred forty-six thousand, four hundred fifty-five".