7161157057 has 8 divisors (see below), whose sum is σ = 7644231360. Its totient is φ = 6688699920.

The previous prime is 7161157049. The next prime is 7161157067. The reversal of 7161157057 is 7507511617.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7161157057 - 2³ = 7161157049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7161157067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652898 + ... + 2655595.

It is an arithmetic number, because the mean of its divisors is an integer number (955528920).

Almost surely, 2^7161157057 is an apocalyptic number.

It is an amenable number.

7161157057 is a deficient number, since it is larger than the sum of its proper divisors (483074303).

7161157057 is a wasteful number, since it uses less digits than its factorization.

7161157057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308583.

The product of its (nonzero) digits is 51450, while the sum is 40.

The square root of 7161157057 is about 84623.6199710223. The cubic root of 7161157057 is about 1927.5000569835.

The spelling of 7161157057 in words is "seven billion, one hundred sixty-one million, one hundred fifty-seven thousand, fifty-seven".