498970161 has 12 divisors (see below), whose sum is σ = 723884980. Its totient is φ = 331192800.

The previous prime is 498970133. The next prime is 498970163. The reversal of 498970161 is 161079894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 363131136 + 135839025 = 19056^2 + 11655^2 .

It is not a de Polignac number, because 498970161 - 2¹⁸ = 498708017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498970163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118990 + ... + 123111.

Almost surely, 2^498970161 is an apocalyptic number.

It is an amenable number.

498970161 is a deficient number, since it is larger than the sum of its proper divisors (224914819).

498970161 is a wasteful number, since it uses less digits than its factorization.

498970161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242336 (or 242333 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 498970161 is about 22337.6400051572. The cubic root of 498970161 is about 793.1552289298.

The spelling of 498970161 in words is "four hundred ninety-eight million, nine hundred seventy thousand, one hundred sixty-one".