373666165181 has 8 divisors (see below), whose sum is σ = 379278684960. Its totient is φ = 368054687088.

The previous prime is 373666165141. The next prime is 373666165183. The reversal of 373666165181 is 181561666373.

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 373666165181 - 2¹⁴ = 373666148797 is a prime.

It is a super-2 number, since 2×373666165181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373666165183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477995 + ... + 987831.

It is an arithmetic number, because the mean of its divisors is an integer number (47409835620).

Almost surely, 2^373666165181 is an apocalyptic number.

It is an amenable number.

373666165181 is a deficient number, since it is larger than the sum of its proper divisors (5612519779).

373666165181 is a wasteful number, since it uses less digits than its factorization.

373666165181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520843.

The product of its digits is 3265920, while the sum is 53.

The spelling of 373666165181 in words is "three hundred seventy-three billion, six hundred sixty-six million, one hundred sixty-five thousand, one hundred eighty-one".