160029991 has 8 divisors (see below), whose sum is σ = 175198464. Its totient is φ = 144964920.

The previous prime is 160029941. The next prime is 160029997. The reversal of 160029991 is 199920061.

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 160029991 - 2⁹ = 160029479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160029991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160029997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22591 + ... + 28816.

It is an arithmetic number, because the mean of its divisors is an integer number (21899808).

Almost surely, 2^160029991 is an apocalyptic number.

160029991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

160029991 is a deficient number, since it is larger than the sum of its proper divisors (15168473).

160029991 is a wasteful number, since it uses less digits than its factorization.

160029991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51701.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 160029991 is about 12650.2960834915. The cubic root of 160029991 is about 542.9174412410.

The spelling of 160029991 in words is "one hundred sixty million, twenty-nine thousand, nine hundred ninety-one".