166868252299 has 8 divisors (see below), whose sum is σ = 201924607968. Its totient is φ = 134616405120.

The previous prime is 166868252297. The next prime is 166868252303. The reversal of 166868252299 is 992252868661.

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 166868252299 - 2¹ = 166868252297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166868252299.

It is not an unprimeable number, because it can be changed into a prime (166868252297) 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, 701126992 + ... + 701127229.

It is an arithmetic number, because the mean of its divisors is an integer number (25240575996).

Almost surely, 2^166868252299 is an apocalyptic number.

166868252299 is a deficient number, since it is larger than the sum of its proper divisors (35056355669).

166868252299 is a wasteful number, since it uses less digits than its factorization.

166868252299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402254245.

The product of its digits is 44789760, while the sum is 64.

The spelling of 166868252299 in words is "one hundred sixty-six billion, eight hundred sixty-eight million, two hundred fifty-two thousand, two hundred ninety-nine".