143666116026664 has 128 divisors (see below), whose sum is σ = 336755841638400. Its totient is φ = 55821796611840.

The previous prime is 143666116026649. The next prime is 143666116026679. The reversal of 143666116026664 is 466620611666341.

It is an interprime number because it is at equal distance from previous prime (143666116026649) and next prime (143666116026679).

It is a junction number, because it is equal to n+sod(n) for n = 143666116026599 and 143666116026608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471064767 + ... + 471369649.

It is an arithmetic number, because the mean of its divisors is an integer number (2630905012800).

Almost surely, 2^{143666116026664} is an apocalyptic number.

143666116026664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143666116026664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168377920819200).

143666116026664 is an abundant number, since it is smaller than the sum of its proper divisors (193089725611736).

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

143666116026664 is a wasteful number, since it uses less digits than its factorization.

143666116026664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306983 (or 306979 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 58.

The spelling of 143666116026664 in words is "one hundred forty-three trillion, six hundred sixty-six billion, one hundred sixteen million, twenty-six thousand, six hundred sixty-four".