160146921 has 16 divisors (see below), whose sum is σ = 238360320. Its totient is φ = 94800720.

The previous prime is 160146893. The next prime is 160146929. The reversal of 160146921 is 129641061.

It is a happy number.

It is not a de Polignac number, because 160146921 - 2¹⁰ = 160145897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160146929) 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, 55011 + ... + 57848.

It is an arithmetic number, because the mean of its divisors is an integer number (14897520).

Almost surely, 2^160146921 is an apocalyptic number.

160146921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

160146921 is a deficient number, since it is larger than the sum of its proper divisors (78213399).

160146921 is a wasteful number, since it uses less digits than its factorization.

160146921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112916.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 160146921 is about 12654.9168705290. The cubic root of 160146921 is about 543.0496412125.

Adding to 160146921 its reverse (129641061), we get a palindrome (289787982).

The spelling of 160146921 in words is "one hundred sixty million, one hundred forty-six thousand, nine hundred twenty-one".