160020646 has 4 divisors (see below), whose sum is σ = 240030972. Its totient is φ = 80010322.

The previous prime is 160020617. The next prime is 160020647. The reversal of 160020646 is 646020061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646020061 = 15913 ⋅40597.

It is a self number, because there is not a number n which added to its sum of digits gives 160020646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160020647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40005160 + ... + 40005163.

It is an arithmetic number, because the mean of its divisors is an integer number (60007743).

Almost surely, 2^160020646 is an apocalyptic number.

160020646 is a deficient number, since it is larger than the sum of its proper divisors (80010326).

160020646 is an equidigital number, since it uses as much as digits as its factorization.

160020646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80010325.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 160020646 is about 12649.9267191553. The cubic root of 160020646 is about 542.9068730922.

The spelling of 160020646 in words is "one hundred sixty million, twenty thousand, six hundred forty-six".