70161375279 has 4 divisors (see below), whose sum is σ = 93548500376. Its totient is φ = 46774250184.

The previous prime is 70161375253. The next prime is 70161375283. The reversal of 70161375279 is 97257316107.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70161375279 - 2¹¹ = 70161373231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70161375289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11693562544 + ... + 11693562549.

It is an arithmetic number, because the mean of its divisors is an integer number (23387125094).

Almost surely, 2^70161375279 is an apocalyptic number.

70161375279 is a deficient number, since it is larger than the sum of its proper divisors (23387125097).

70161375279 is a wasteful number, since it uses less digits than its factorization.

70161375279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23387125096.

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 70161375279 in words is "seventy billion, one hundred sixty-one million, three hundred seventy-five thousand, two hundred seventy-nine".