70161357 has 16 divisors (see below), whose sum is σ = 112540160. Its totient is φ = 37981872.

The previous prime is 70161349. The next prime is 70161359. The reversal of 70161357 is 75316107.

It is not a de Polignac number, because 70161357 - 2³ = 70161349 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 (70161359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87523 + ... + 88320.

It is an arithmetic number, because the mean of its divisors is an integer number (7033760).

Almost surely, 2^70161357 is an apocalyptic number.

It is an amenable number.

70161357 is a deficient number, since it is larger than the sum of its proper divisors (42378803).

70161357 is a wasteful number, since it uses less digits than its factorization.

70161357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175872.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 70161357 is about 8376.2376398954. The cubic root of 70161357 is about 412.4449528013. Note that the first 3 decimals are identical.

The spelling of 70161357 in words is "seventy million, one hundred sixty-one thousand, three hundred fifty-seven".