166532150019 has 8 divisors (see below), whose sum is σ = 233729333440. Its totient is φ = 105178199976.

The previous prime is 166532149963. The next prime is 166532150023. The reversal of 166532150019 is 910051235661.

It is a happy number.

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

It is not a de Polignac number, because 166532150019 - 2⁹ = 166532149507 is a prime.

It is a super-2 number, since 2×166532150019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166532850019) 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, 1460808277 + ... + 1460808390.

It is an arithmetic number, because the mean of its divisors is an integer number (29216166680).

Almost surely, 2^166532150019 is an apocalyptic number.

166532150019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

166532150019 is a deficient number, since it is larger than the sum of its proper divisors (67197183421).

166532150019 is a wasteful number, since it uses less digits than its factorization.

166532150019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921616689.

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 166532150019 in words is "one hundred sixty-six billion, five hundred thirty-two million, one hundred fifty thousand, nineteen".