163498489 has 8 divisors (see below), whose sum is σ = 203842368. Its totient is φ = 127401360.

The previous prime is 163498451. The next prime is 163498493. The reversal of 163498489 is 984894361.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 163498489 - 2¹¹ = 163496441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163493489) 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, 1061602 + ... + 1061755.

It is an arithmetic number, because the mean of its divisors is an integer number (25480296).

Almost surely, 2^163498489 is an apocalyptic number.

It is an amenable number.

163498489 is a deficient number, since it is larger than the sum of its proper divisors (40343879).

163498489 is a wasteful number, since it uses less digits than its factorization.

163498489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123375.

The product of its digits is 1492992, while the sum is 52.

The square root of 163498489 is about 12786.6527676323. The cubic root of 163498489 is about 546.8118460253.

The spelling of 163498489 in words is "one hundred sixty-three million, four hundred ninety-eight thousand, four hundred eighty-nine".