70161356 has 6 divisors (see below), whose sum is σ = 122782380. Its totient is φ = 35080676.

The previous prime is 70161349. The next prime is 70161359. The reversal of 70161356 is 65316107.

It is not an unprimeable number, because it can be changed into a prime (70161359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8770166 + ... + 8770173.

It is an arithmetic number, because the mean of its divisors is an integer number (20463730).

Almost surely, 2^70161356 is an apocalyptic number.

It is an amenable number.

70161356 is a deficient number, since it is larger than the sum of its proper divisors (52621024).

70161356 is a wasteful number, since it uses less digits than its factorization.

70161356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540343 (or 17540341 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 70161356 is about 8376.2375802027. The cubic root of 70161356 is about 412.4449508418. Note that the first 3 decimals are identical.

The spelling of 70161356 in words is "seventy million, one hundred sixty-one thousand, three hundred fifty-six".