16446001010 has 8 divisors (see below), whose sum is σ = 29602801836. Its totient is φ = 6578400400.

The previous prime is 16446001009. The next prime is 16446001021. The reversal of 16446001010 is 1010064461.

It can be written as a sum of positive squares in 2 ways, for example, as 13214192209 + 3231808801 = 114953^2 + 56849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822300041 + ... + 822300060.

Almost surely, 2^16446001010 is an apocalyptic number.

16446001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16446001010 is a deficient number, since it is larger than the sum of its proper divisors (13156800826).

16446001010 is a wasteful number, since it uses less digits than its factorization.

16446001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644600108.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 16446001010 its reverse (1010064461), we get a palindrome (17456065471).

The spelling of 16446001010 in words is "sixteen billion, four hundred forty-six million, one thousand, ten".