1606333661173 has 8 divisors (see below), whose sum is σ = 1651272578496. Its totient is φ = 1562014591200.

The previous prime is 1606333661159. The next prime is 1606333661197. The reversal of 1606333661173 is 3711663336061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606333661173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606333661143) 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, 154956583 + ... + 154966948.

It is an arithmetic number, because the mean of its divisors is an integer number (206409072312).

Almost surely, 2^{1606333661173} is an apocalyptic number.

It is an amenable number.

1606333661173 is a deficient number, since it is larger than the sum of its proper divisors (44938917323).

1606333661173 is an equidigital number, since it uses as much as digits as its factorization.

1606333661173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309923675.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 1606333661173 in words is "one trillion, six hundred six billion, three hundred thirty-three million, six hundred sixty-one thousand, one hundred seventy-three".