143207162661 has 32 divisors (see below), whose sum is σ = 197397865728. Its totient is φ = 92298286080.

The previous prime is 143207162641. The next prime is 143207162701. The reversal of 143207162661 is 166261702341.

It is a happy number.

It is not a de Polignac number, because 143207162661 - 2¹⁵ = 143207129893 is a prime.

It is a super-3 number, since 3×143207162661³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143207162641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34282605 + ... + 34286781.

It is an arithmetic number, because the mean of its divisors is an integer number (6168683304).

Almost surely, 2^143207162661 is an apocalyptic number.

It is an amenable number.

143207162661 is a deficient number, since it is larger than the sum of its proper divisors (54190703067).

143207162661 is a wasteful number, since it uses less digits than its factorization.

143207162661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 143207162661 in words is "one hundred forty-three billion, two hundred seven million, one hundred sixty-two thousand, six hundred sixty-one".