38198166 has 8 divisors (see below), whose sum is σ = 76396344. Its totient is φ = 12732720.

The previous prime is 38198161. The next prime is 38198179. The reversal of 38198166 is 66189183.

It is a sphenic number, since it is the product of 3 distinct primes.

38198166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38198161) 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, 3183175 + ... + 3183186.

It is an arithmetic number, because the mean of its divisors is an integer number (9549543).

Almost surely, 2^38198166 is an apocalyptic number.

38198166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38198166 is a wasteful number, since it uses less digits than its factorization.

38198166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366366.

The product of its digits is 62208, while the sum is 42.

The square root of 38198166 is about 6180.4664872484. The cubic root of 38198166 is about 336.7809393264.

The spelling of 38198166 in words is "thirty-eight million, one hundred ninety-eight thousand, one hundred sixty-six".