16145532473428 has 6 divisors (see below), whose sum is σ = 28254681828506. Its totient is φ = 8072766236712.

The previous prime is 16145532473353. The next prime is 16145532473449. The reversal of 16145532473428 is 82437423554161.

16145532473428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11425941331984 + 4719591141444 = 3380228^2 + 2172462^2 .

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, 2018191559175 + ... + 2018191559182.

Almost surely, 2^{16145532473428} is an apocalyptic number.

It is an amenable number.

16145532473428 is a deficient number, since it is larger than the sum of its proper divisors (12109149355078).

16145532473428 is a wasteful number, since it uses less digits than its factorization.

16145532473428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036383118361 (or 4036383118359 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 55.

The spelling of 16145532473428 in words is "sixteen trillion, one hundred forty-five billion, five hundred thirty-two million, four hundred seventy-three thousand, four hundred twenty-eight".