16531106071451 has 16 divisors (see below), whose sum is σ = 18276203280384. Its totient is φ = 14872725546624.

The previous prime is 16531106071433. The next prime is 16531106071463. The reversal of 16531106071451 is 15417060113561.

16531106071451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16531106071451 is a prime.

It is a super-2 number, since 2×16531106071451² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16531106071399 and 16531106071408.

It is not an unprimeable number, because it can be changed into a prime (16531106071411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12877745 + ... + 14103138.

It is an arithmetic number, because the mean of its divisors is an integer number (1142262705024).

Almost surely, 2^{16531106071451} is an apocalyptic number.

16531106071451 is a deficient number, since it is larger than the sum of its proper divisors (1745097208933).

16531106071451 is a wasteful number, since it uses less digits than its factorization.

16531106071451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26982490.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 16531106071451 in words is "sixteen trillion, five hundred thirty-one billion, one hundred six million, seventy-one thousand, four hundred fifty-one".