21160466160550 has 48 divisors (see below), whose sum is σ = 41163258597120. Its totient is φ = 8077735844640.

The previous prime is 21160466160517. The next prime is 21160466160577. The reversal of 21160466160550 is 5506166406112.

It is a junction number, because it is equal to n+sod(n) for n = 21160466160497 and 21160466160506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20452332 + ... + 21462031.

It is an arithmetic number, because the mean of its divisors is an integer number (857567887440).

Almost surely, 2^{21160466160550} is an apocalyptic number.

21160466160550 is a deficient number, since it is larger than the sum of its proper divisors (20002792436570).

21160466160550 is a wasteful number, since it uses less digits than its factorization.

21160466160550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41914837 (or 41914832 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 21160466160550 in words is "twenty-one trillion, one hundred sixty billion, four hundred sixty-six million, one hundred sixty thousand, five hundred fifty".