70363323161 has 4 divisors (see below), whose sum is σ = 71516820324. Its totient is φ = 69209826000.

The previous prime is 70363323071. The next prime is 70363323167. The reversal of 70363323161 is 16132336307.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34767331600 + 35595991561 = 186460^2 + 188669^2 .

It is a cyclic number.

It is not a de Polignac number, because 70363323161 - 2¹⁸ = 70363061017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70363323167) 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, 576748490 + ... + 576748611.

It is an arithmetic number, because the mean of its divisors is an integer number (17879205081).

Almost surely, 2^70363323161 is an apocalyptic number.

It is an amenable number.

70363323161 is a deficient number, since it is larger than the sum of its proper divisors (1153497163).

70363323161 is a wasteful number, since it uses less digits than its factorization.

70363323161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153497162.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 70363323161 its reverse (16132336307), we get a palindrome (86495659468).

The spelling of 70363323161 in words is "seventy billion, three hundred sixty-three million, three hundred twenty-three thousand, one hundred sixty-one".