16551460432441 has 4 divisors (see below), whose sum is σ = 18056138653584. Its totient is φ = 15046782211300.

The previous prime is 16551460432411. The next prime is 16551460432489. The reversal of 16551460432441 is 14423406415561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16551460432441 - 2⁹ = 16551460431929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16551460432391 and 16551460432400.

It is not an unprimeable number, because it can be changed into a prime (16551460432411) 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, 752339110555 + ... + 752339110576.

It is an arithmetic number, because the mean of its divisors is an integer number (4514034663396).

Almost surely, 2^{16551460432441} is an apocalyptic number.

16551460432441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16551460432441 is a deficient number, since it is larger than the sum of its proper divisors (1504678221143).

16551460432441 is a wasteful number, since it uses less digits than its factorization.

16551460432441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504678221142.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 16551460432441 in words is "sixteen trillion, five hundred fifty-one billion, four hundred sixty million, four hundred thirty-two thousand, four hundred forty-one".