70161775631641 has 8 divisors (see below), whose sum is σ = 70921764121544. Its totient is φ = 69402535534080.

The previous prime is 70161775631573. The next prime is 70161775631671. The reversal of 70161775631641 is 14613657716107.

It can be written as a sum of positive squares in 4 ways, for example, as 18517013859600 + 51644761772041 = 4303140^2 + 7186429^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70161775631641 - 2²³ = 70161767243033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70161775631671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186909570 + ... + 187284571.

It is an arithmetic number, because the mean of its divisors is an integer number (8865220515193).

Almost surely, 2^{70161775631641} is an apocalyptic number.

It is an amenable number.

70161775631641 is a deficient number, since it is larger than the sum of its proper divisors (759988489903).

70161775631641 is a wasteful number, since it uses less digits than its factorization.

70161775631641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374196171.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 70161775631641 in words is "seventy trillion, one hundred sixty-one billion, seven hundred seventy-five million, six hundred thirty-one thousand, six hundred forty-one".