16146462321 has 48 divisors (see below), whose sum is σ = 26719580160. Its totient is φ = 9661738320.

The previous prime is 16146462307. The next prime is 16146462361. The reversal of 16146462321 is 12326464161.

16146462321 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 6 + 4 + 623 + 21 = 666.

It is not a de Polignac number, because 16146462321 - 2¹⁴ = 16146445937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16146462361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172936 + ... + 249398.

It is an arithmetic number, because the mean of its divisors is an integer number (556657920).

Almost surely, 2^16146462321 is an apocalyptic number.

16146462321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16146462321 is a deficient number, since it is larger than the sum of its proper divisors (10573117839).

16146462321 is an equidigital number, since it uses as much as digits as its factorization.

16146462321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76568 (or 76556 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 16146462321 in words is "sixteen billion, one hundred forty-six million, four hundred sixty-two thousand, three hundred twenty-one".