70230263161 has 4 divisors (see below), whose sum is σ = 71278476112. Its totient is φ = 69182050212.

The previous prime is 70230263143. The next prime is 70230263189. The reversal of 70230263161 is 16136203207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70230263161 - 2⁹ = 70230262649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70230213161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524106375 + ... + 524106508.

It is an arithmetic number, because the mean of its divisors is an integer number (17819619028).

Almost surely, 2^70230263161 is an apocalyptic number.

It is an amenable number.

70230263161 is a deficient number, since it is larger than the sum of its proper divisors (1048212951).

70230263161 is a wasteful number, since it uses less digits than its factorization.

70230263161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048212950.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 70230263161 its reverse (16136203207), we get a palindrome (86366466368).

The spelling of 70230263161 in words is "seventy billion, two hundred thirty million, two hundred sixty-three thousand, one hundred sixty-one".