143664898668 has 24 divisors (see below), whose sum is σ = 335569873968. Its totient is φ = 47838045696.

The previous prime is 143664898661. The next prime is 143664898691. The reversal of 143664898668 is 866898466341.

143664898668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143664898661) 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, 6269821 + ... + 6292692.

It is an arithmetic number, because the mean of its divisors is an integer number (13982078082).

Almost surely, 2^143664898668 is an apocalyptic number.

It is an amenable number.

143664898668 is an abundant number, since it is smaller than the sum of its proper divisors (191904975300).

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

143664898668 is a wasteful number, since it uses less digits than its factorization.

143664898668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563473 (or 12563471 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 69.

The spelling of 143664898668 in words is "one hundred forty-three billion, six hundred sixty-four million, eight hundred ninety-eight thousand, six hundred sixty-eight".