166998869310 has 512 divisors, whose sum is σ = 518192640000. Its totient is φ = 34419280896.

The previous prime is 166998869309. The next prime is 166998869357. The reversal of 166998869310 is 13968899661.

It is a happy number.

166998869310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166998869310² (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 255 ways as a sum of consecutive naturals, for example, 1876391746 + ... + 1876391834.

It is an arithmetic number, because the mean of its divisors is an integer number (1012095000).

Almost surely, 2^166998869310 is an apocalyptic number.

166998869310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166998869310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259096320000).

166998869310 is an abundant number, since it is smaller than the sum of its proper divisors (351193770690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166998869310 is an equidigital number, since it uses as much as digits as its factorization.

166998869310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 166998869310 in words is "one hundred sixty-six billion, nine hundred ninety-eight million, eight hundred sixty-nine thousand, three hundred ten".