16121798 has 48 divisors (see below), whose sum is σ = 31460352. Its totient is φ = 6058800.

The previous prime is 16121783. The next prime is 16121801. The reversal of 16121798 is 89712161.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52361 + ... + 52667.

It is an arithmetic number, because the mean of its divisors is an integer number (655424).

Almost surely, 2^16121798 is an apocalyptic number.

16121798 is a deficient number, since it is larger than the sum of its proper divisors (15338554).

16121798 is a wasteful number, since it uses less digits than its factorization.

16121798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 358 counting only the distinct ones).

The product of its digits is 6048, while the sum is 35.

The square root of 16121798 is about 4015.1958856325. The cubic root of 16121798 is about 252.6219937899.

The spelling of 16121798 in words is "sixteen million, one hundred twenty-one thousand, seven hundred ninety-eight".