16066456330 has 16 divisors (see below), whose sum is σ = 29393714664. Its totient is φ = 6321228480.

The previous prime is 16066456303. The next prime is 16066456331. The reversal of 16066456330 is 3365466061.

It can be written as a sum of positive squares in 4 ways, for example, as 6627750921 + 9438705409 = 81411^2 + 97153^2 .

It is not an unprimeable number, because it can be changed into a prime (16066456331) 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, 13168617 + ... + 13169836.

Almost surely, 2^16066456330 is an apocalyptic number.

16066456330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16066456330 is a deficient number, since it is larger than the sum of its proper divisors (13327258334).

16066456330 is a wasteful number, since it uses less digits than its factorization.

16066456330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26338521.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 16066456330 in words is "sixteen billion, sixty-six million, four hundred fifty-six thousand, three hundred thirty".