16442615666376 has 24 divisors (see below), whose sum is σ = 44532084096630. Its totient is φ = 5480871888768.

The previous prime is 16442615666371. The next prime is 16442615666401. The reversal of 16442615666376 is 67366651624461.

It can be written as a sum of positive squares in only one way, i.e., 15677561060100 + 765054606276 = 3959490^2 + 874674^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×16442615666376³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442615666371) 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 5 ways as a sum of consecutive naturals, for example, 114184830945 + ... + 114184831088.

Almost surely, 2^{16442615666376} is an apocalyptic number.

It is an amenable number.

16442615666376 is an abundant number, since it is smaller than the sum of its proper divisors (28089468430254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16442615666376 is a wasteful number, since it uses less digits than its factorization.

16442615666376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228369662045 (or 228369662038 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 63.

The spelling of 16442615666376 in words is "sixteen trillion, four hundred forty-two billion, six hundred fifteen million, six hundred sixty-six thousand, three hundred seventy-six".