160702991 has 4 divisors (see below), whose sum is σ = 160753800. Its totient is φ = 160652184.

The previous prime is 160702973. The next prime is 160703009. The reversal of 160702991 is 199207061.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (160702973) and next prime (160703009).

It is a cyclic number.

It is not a de Polignac number, because 160702991 - 2¹⁰ = 160701967 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 (160702291) 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, 20321 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (40188450).

Almost surely, 2^160702991 is an apocalyptic number.

160702991 is a deficient number, since it is larger than the sum of its proper divisors (50809).

160702991 is an equidigital number, since it uses as much as digits as its factorization.

160702991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50808.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 160702991 is about 12676.8683435618. The cubic root of 160702991 is about 543.6774496765.

The spelling of 160702991 in words is "one hundred sixty million, seven hundred two thousand, nine hundred ninety-one".