801198166 has 8 divisors (see below), whose sum is σ = 1202166360. Its totient is φ = 400476048.

The previous prime is 801198157. The next prime is 801198197. The reversal of 801198166 is 661891108.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53151 + ... + 66538.

It is an arithmetic number, because the mean of its divisors is an integer number (150270795).

Almost surely, 2^801198166 is an apocalyptic number.

801198166 is a deficient number, since it is larger than the sum of its proper divisors (400968194).

801198166 is a wasteful number, since it uses less digits than its factorization.

801198166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123038.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 801198166 is about 28305.4441053307. Note that the first 3 decimals coincide. The cubic root of 801198166 is about 928.7809850382.

The spelling of 801198166 in words is "eight hundred one million, one hundred ninety-eight thousand, one hundred sixty-six".