166801433 has 8 divisors (see below), whose sum is σ = 176744448. Its totient is φ = 156873024.

The previous prime is 166801403. The next prime is 166801457. The reversal of 166801433 is 334108661.

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

It is a cyclic number.

It is not a de Polignac number, because 166801433 - 2¹⁰ = 166800409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166801433.

It is not an unprimeable number, because it can be changed into a prime (166801403) 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, 27560 + ... + 33062.

It is an arithmetic number, because the mean of its divisors is an integer number (22093056).

Almost surely, 2^166801433 is an apocalyptic number.

It is an amenable number.

166801433 is a deficient number, since it is larger than the sum of its proper divisors (9943015).

166801433 is a wasteful number, since it uses less digits than its factorization.

166801433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 166801433 is about 12915.1629103159. The cubic root of 166801433 is about 550.4694977302.

The spelling of 166801433 in words is "one hundred sixty-six million, eight hundred one thousand, four hundred thirty-three".