7065318437166 has 128 divisors (see below), whose sum is σ = 16319218728960. Its totient is φ = 2016770140800.

The previous prime is 7065318437161. The next prime is 7065318437201. The reversal of 7065318437166 is 6617348135607.

It is a happy number.

It is a super-2 number, since 2×7065318437166² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065318437161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170915836 + ... + 170957168.

It is an arithmetic number, because the mean of its divisors is an integer number (127493896320).

Almost surely, 2^{7065318437166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7065318437166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8159609364480).

7065318437166 is an abundant number, since it is smaller than the sum of its proper divisors (9253900291794).

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

7065318437166 is a wasteful number, since it uses less digits than its factorization.

7065318437166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42142.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 7065318437166 in words is "seven trillion, sixty-five billion, three hundred eighteen million, four hundred thirty-seven thousand, one hundred sixty-six".