168948898 has 4 divisors (see below), whose sum is σ = 253423350. Its totient is φ = 84474448.

The previous prime is 168948887. The next prime is 168948991. The reversal of 168948898 is 898849861.

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

It can be written as a sum of positive squares in only one way, i.e., 90573289 + 78375609 = 9517^2 + 8853^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42237223 + ... + 42237226.

Almost surely, 2^168948898 is an apocalyptic number.

168948898 is a deficient number, since it is larger than the sum of its proper divisors (84474452).

168948898 is an equidigital number, since it uses as much as digits as its factorization.

168948898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84474451.

The product of its digits is 7962624, while the sum is 61.

The square root of 168948898 is about 12998.0343898606. The cubic root of 168948898 is about 552.8217496258.

The spelling of 168948898 in words is "one hundred sixty-eight million, nine hundred forty-eight thousand, eight hundred ninety-eight".