16442615666410 has 8 divisors (see below), whose sum is σ = 29596708199556. Its totient is φ = 6577046266560.

The previous prime is 16442615666401. The next prime is 16442615666413. The reversal of 16442615666410 is 1466651624461.

It can be written as a sum of positive squares in 2 ways, for example, as 13614941364649 + 2827674301761 = 3689843^2 + 1681569^2 .

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

It is a super-3 number, since 3×16442615666410³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442615666413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822130783311 + ... + 822130783330.

Almost surely, 2^{16442615666410} is an apocalyptic number.

16442615666410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16442615666410 is a deficient number, since it is larger than the sum of its proper divisors (13154092533146).

16442615666410 is a wasteful number, since it uses less digits than its factorization.

16442615666410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644261566648.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 16442615666410 in words is "sixteen trillion, four hundred forty-two billion, six hundred fifteen million, six hundred sixty-six thousand, four hundred ten".