16355998 has 16 divisors (see below), whose sum is σ = 26525520. Its totient is φ = 7537536.

The previous prime is 16355993. The next prime is 16356001. The reversal of 16355998 is 89955361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16355993) 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, 4411 + ... + 7222.

It is an arithmetic number, because the mean of its divisors is an integer number (1657845).

Almost surely, 2^16355998 is an apocalyptic number.

16355998 is a deficient number, since it is larger than the sum of its proper divisors (10169522).

16355998 is a wasteful number, since it uses less digits than its factorization.

16355998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11691.

The product of its digits is 291600, while the sum is 46.

The square root of 16355998 is about 4044.2549375627. The cubic root of 16355998 is about 253.8393904770.

The spelling of 16355998 in words is "sixteen million, three hundred fifty-five thousand, nine hundred ninety-eight".