166365163334 has 8 divisors (see below), whose sum is σ = 249984783048. Its totient is φ = 83036902320.

The previous prime is 166365163331. The next prime is 166365163403. The reversal of 166365163334 is 433361563661.

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

It is a super-2 number, since 2×166365163334² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166365163331) 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, 72838247 + ... + 72840530.

It is an arithmetic number, because the mean of its divisors is an integer number (31248097881).

Almost surely, 2^166365163334 is an apocalyptic number.

166365163334 is a deficient number, since it is larger than the sum of its proper divisors (83619619714).

166365163334 is a wasteful number, since it uses less digits than its factorization.

166365163334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145679350.

The product of its digits is 2099520, while the sum is 47.

The spelling of 166365163334 in words is "one hundred sixty-six billion, three hundred sixty-five million, one hundred sixty-three thousand, three hundred thirty-four".