70143164 has 48 divisors (see below), whose sum is σ = 152334336. Its totient is φ = 27518400.

The previous prime is 70143163. The next prime is 70143167. The reversal of 70143164 is 46134107.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70143163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46949 + ... + 48419.

It is an arithmetic number, because the mean of its divisors is an integer number (3173632).

Almost surely, 2^70143164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70143164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76167168).

70143164 is an abundant number, since it is smaller than the sum of its proper divisors (82191172).

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

70143164 is a wasteful number, since it uses less digits than its factorization.

70143164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70143164 is about 8375.1515807178. The cubic root of 70143164 is about 412.4093004137.

It can be divided in two parts, 70143 and 164, that added together give a palindrome (70307).

The spelling of 70143164 in words is "seventy million, one hundred forty-three thousand, one hundred sixty-four".