169116898 has 4 divisors (see below), whose sum is σ = 253675350. Its totient is φ = 84558448.

The previous prime is 169116851. The next prime is 169116917. The reversal of 169116898 is 898611961.

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 only one way, i.e., 122699929 + 46416969 = 11077^2 + 6813^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42279223 + ... + 42279226.

Almost surely, 2^169116898 is an apocalyptic number.

169116898 is a deficient number, since it is larger than the sum of its proper divisors (84558452).

169116898 is an equidigital number, since it uses as much as digits as its factorization.

169116898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84558451.

The product of its digits is 186624, while the sum is 49.

The square root of 169116898 is about 13004.4952997031. The cubic root of 169116898 is about 553.0049278686.

The spelling of 169116898 in words is "one hundred sixty-nine million, one hundred sixteen thousand, eight hundred ninety-eight".