166994499662 has 8 divisors (see below), whose sum is σ = 250896423000. Its totient is φ = 83362358664.

The previous prime is 166994499653. The next prime is 166994499799. The reversal of 166994499662 is 266994499661.

166994499662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×166994499662² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67444037 + ... + 67446512.

It is an arithmetic number, because the mean of its divisors is an integer number (31362052875).

Almost surely, 2^166994499662 is an apocalyptic number.

166994499662 is a deficient number, since it is larger than the sum of its proper divisors (83901923338).

166994499662 is a wasteful number, since it uses less digits than its factorization.

166994499662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134891170.

The product of its digits is 272097792, while the sum is 71.

Subtracting 166994499662 from its reverse (266994499661), we obtain a palindrome (99999999999).

The spelling of 166994499662 in words is "one hundred sixty-six billion, nine hundred ninety-four million, four hundred ninety-nine thousand, six hundred sixty-two".