70646161344 has 224 divisors, whose sum is σ = 211518715392. Its totient is φ = 20620800000.

The previous prime is 70646161303. The next prime is 70646161351. The reversal of 70646161344 is 44316164607.

It is a super-2 number, since 2×70646161344² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70646161296 and 70646161305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7888069 + ... + 7897019.

Almost surely, 2^70646161344 is an apocalyptic number.

70646161344 is a gapful number since it is divisible by the number (74) 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 70646161344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105759357696).

70646161344 is an abundant number, since it is smaller than the sum of its proper divisors (140872554048).

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

70646161344 is a wasteful number, since it uses less digits than its factorization.

70646161344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9105 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 70646161344 in words is "seventy billion, six hundred forty-six million, one hundred sixty-one thousand, three hundred forty-four".