200017160021 has 16 divisors (see below), whose sum is σ = 238814835840. Its totient is φ = 163892500800.

The previous prime is 200017159967. The next prime is 200017160027. The reversal of 200017160021 is 120061710002.

It is not a de Polignac number, because 200017160021 - 2¹⁴ = 200017143637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200017159975 and 200017160002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200017160027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857251 + ... + 4898256.

It is an arithmetic number, because the mean of its divisors is an integer number (14925927240).

Almost surely, 2^200017160021 is an apocalyptic number.

It is an amenable number.

200017160021 is a deficient number, since it is larger than the sum of its proper divisors (38797675819).

200017160021 is a wasteful number, since it uses less digits than its factorization.

200017160021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755644.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 200017160021 its reverse (120061710002), we get a palindrome (320078870023).

The spelling of 200017160021 in words is "two hundred billion, seventeen million, one hundred sixty thousand, twenty-one".