70349194161 has 24 divisors (see below), whose sum is σ = 102575100264. Its totient is φ = 46458593280.

The previous prime is 70349194141. The next prime is 70349194169. The reversal of 70349194161 is 16149194307.

It is a happy number.

70349194161 is a `hidden beast` number, since 70 + 3 + 491 + 94 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18856507761 + 51492686400 = 137319^2 + 226920^2 .

It is not a de Polignac number, because 70349194161 - 2¹⁰ = 70349193137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70349194169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334635 + ... + 502671.

It is an arithmetic number, because the mean of its divisors is an integer number (4273962511).

Almost surely, 2^70349194161 is an apocalyptic number.

It is an amenable number.

70349194161 is a deficient number, since it is larger than the sum of its proper divisors (32225906103).

70349194161 is a wasteful number, since it uses less digits than its factorization.

70349194161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168481 (or 168478 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 70349194161 in words is "seventy billion, three hundred forty-nine million, one hundred ninety-four thousand, one hundred sixty-one".