162650489 has 4 divisors (see below), whose sum is σ = 163476324. Its totient is φ = 161824656.

The previous prime is 162650479. The next prime is 162650519. The reversal of 162650489 is 984056261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70644025 + 92006464 = 8405^2 + 9592^2 .

It is a cyclic number.

It is not a de Polignac number, because 162650489 - 2⁸ = 162650233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162650429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412622 + ... + 413015.

It is an arithmetic number, because the mean of its divisors is an integer number (40869081).

Almost surely, 2^162650489 is an apocalyptic number.

It is an amenable number.

162650489 is a deficient number, since it is larger than the sum of its proper divisors (825835).

162650489 is an equidigital number, since it uses as much as digits as its factorization.

162650489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825834.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 162650489 is about 12753.4500822327. The cubic root of 162650489 is about 545.8648435292.

The spelling of 162650489 in words is "one hundred sixty-two million, six hundred fifty thousand, four hundred eighty-nine".