16546521462125 has 8 divisors (see below), whose sum is σ = 20650058784888. Its totient is φ = 13237217169600.

The previous prime is 16546521462101. The next prime is 16546521462127. The reversal of 16546521462125 is 52126412564561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5106994337956 + 11439527124169 = 2259866^2 + 3382237^2 .

It is not a de Polignac number, because 16546521462125 - 2⁶ = 16546521462061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16546521462127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66186085724 + ... + 66186085973.

It is an arithmetic number, because the mean of its divisors is an integer number (2581257348111).

Almost surely, 2^{16546521462125} is an apocalyptic number.

It is an amenable number.

16546521462125 is a deficient number, since it is larger than the sum of its proper divisors (4103537322763).

16546521462125 is an equidigital number, since it uses as much as digits as its factorization.

16546521462125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132372171712 (or 132372171702 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 50.

The spelling of 16546521462125 in words is "sixteen trillion, five hundred forty-six billion, five hundred twenty-one million, four hundred sixty-two thousand, one hundred twenty-five".