16151474561 has 2 divisors, whose sum is σ = 16151474562. Its totient is φ = 16151474560.

The previous prime is 16151474519. The next prime is 16151474567. The reversal of 16151474561 is 16547415161.

16151474561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14763465025 + 1388009536 = 121505^2 + 37256^2 .

It is a cyclic number.

It is not a de Polignac number, because 16151474561 - 2¹⁰ = 16151473537 is a prime.

It is not a weakly prime, because it can be changed into another prime (16151474567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8075737280 + 8075737281.

It is an arithmetic number, because the mean of its divisors is an integer number (8075737281).

Almost surely, 2^16151474561 is an apocalyptic number.

It is an amenable number.

16151474561 is a deficient number, since it is larger than the sum of its proper divisors (1).

16151474561 is an equidigital number, since it uses as much as digits as its factorization.

16151474561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The spelling of 16151474561 in words is "sixteen billion, one hundred fifty-one million, four hundred seventy-four thousand, five hundred sixty-one".