16600805947412 has 6 divisors (see below), whose sum is σ = 29051410407978. Its totient is φ = 8300402973704.

The previous prime is 16600805947403. The next prime is 16600805947471. The reversal of 16600805947412 is 21474950800661.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10309467818896 + 6291338128516 = 3210836^2 + 2508254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2075100743423 + ... + 2075100743430.

It is an arithmetic number, because the mean of its divisors is an integer number (4841901734663).

Almost surely, 2^{16600805947412} is an apocalyptic number.

It is an amenable number.

16600805947412 is a deficient number, since it is larger than the sum of its proper divisors (12450604460566).

16600805947412 is a wasteful number, since it uses less digits than its factorization.

16600805947412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150201486857 (or 4150201486855 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 16600805947412 in words is "sixteen trillion, six hundred billion, eight hundred five million, nine hundred forty-seven thousand, four hundred twelve".