21160466160549 has 8 divisors (see below), whose sum is σ = 28814251793280. Its totient is φ = 13806828984096.

The previous prime is 21160466160517. The next prime is 21160466160577. The reversal of 21160466160549 is 94506166406112.

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

It is not a de Polignac number, because 21160466160549 - 2⁵ = 21160466160517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160466160749) 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, 75037113904 + ... + 75037114185.

It is an arithmetic number, because the mean of its divisors is an integer number (3601781474160).

Almost surely, 2^{21160466160549} is an apocalyptic number.

It is an amenable number.

21160466160549 is a deficient number, since it is larger than the sum of its proper divisors (7653785632731).

21160466160549 is a wasteful number, since it uses less digits than its factorization.

21160466160549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150074228139.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 21160466160549 in words is "twenty-one trillion, one hundred sixty billion, four hundred sixty-six million, one hundred sixty thousand, five hundred forty-nine".