498869161 has 16 divisors (see below), whose sum is σ = 575574400. Its totient is φ = 423543168.

The previous prime is 498869141. The next prime is 498869171. The reversal of 498869161 is 161968894.

It is a cyclic number.

It is not a de Polignac number, because 498869161 - 2¹¹ = 498867113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 498869099 and 498869108.

It is not an unprimeable number, because it can be changed into a prime (498869141) 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, 466135 + ... + 467203.

It is an arithmetic number, because the mean of its divisors is an integer number (35973400).

Almost surely, 2^498869161 is an apocalyptic number.

It is an amenable number.

498869161 is a deficient number, since it is larger than the sum of its proper divisors (76705239).

498869161 is a wasteful number, since it uses less digits than its factorization.

498869161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its digits is 746496, while the sum is 52.

The square root of 498869161 is about 22335.3791326675. The cubic root of 498869161 is about 793.1017093074.

The spelling of 498869161 in words is "four hundred ninety-eight million, eight hundred sixty-nine thousand, one hundred sixty-one".