164061331143 has 8 divisors (see below), whose sum is σ = 220755308400. Its totient is φ = 108370787328.

The previous prime is 164061331117. The next prime is 164061331151. The reversal of 164061331143 is 341133160461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164061331143 - 2³⁶ = 95341854407 is a prime.

It is a super-2 number, since 2×164061331143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164061331103) 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, 250857978 + ... + 250858631.

It is an arithmetic number, because the mean of its divisors is an integer number (27594413550).

Almost surely, 2^164061331143 is an apocalyptic number.

164061331143 is a deficient number, since it is larger than the sum of its proper divisors (56693977257).

164061331143 is a wasteful number, since it uses less digits than its factorization.

164061331143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501716721.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 164061331143 in words is "one hundred sixty-four billion, sixty-one million, three hundred thirty-one thousand, one hundred forty-three".