70169518068 has 96 divisors (see below), whose sum is σ = 177459265536. Its totient is φ = 21451934592.

The previous prime is 70169518061. The next prime is 70169518093. The reversal of 70169518068 is 86081596107.

It is a super-2 number, since 2×70169518068² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70169518068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70169518061) 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, 21114655 + ... + 21117977.

It is an arithmetic number, because the mean of its divisors is an integer number (1848534016).

Almost surely, 2^70169518068 is an apocalyptic number.

70169518068 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70169518068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88729632768).

70169518068 is an abundant number, since it is smaller than the sum of its proper divisors (107289747468).

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

70169518068 is a wasteful number, since it uses less digits than its factorization.

70169518068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173 (or 4171 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 70169518068 in words is "seventy billion, one hundred sixty-nine million, five hundred eighteen thousand, sixty-eight".