160705157 has 4 divisors (see below), whose sum is σ = 160923360. Its totient is φ = 160486956.

The previous prime is 160705141. The next prime is 160705159. The reversal of 160705157 is 751507061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751507061 = 137 ⋅5485453.

It is a cyclic number.

It is not a de Polignac number, because 160705157 - 2⁴ = 160705141 is a prime.

It is a super-2 number, since 2×160705157² = 51652294972789298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160705159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107993 + ... + 109470.

It is an arithmetic number, because the mean of its divisors is an integer number (40230840).

Almost surely, 2^160705157 is an apocalyptic number.

It is an amenable number.

160705157 is a deficient number, since it is larger than the sum of its proper divisors (218203).

160705157 is an equidigital number, since it uses as much as digits as its factorization.

160705157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218202.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 160705157 is about 12676.9537744681. The cubic root of 160705157 is about 543.6798922779.

The spelling of 160705157 in words is "one hundred sixty million, seven hundred five thousand, one hundred fifty-seven".