16343206525 has 12 divisors (see below), whose sum is σ = 20268331092. Its totient is φ = 13072787840.

The previous prime is 16343206469. The next prime is 16343206567. The reversal of 16343206525 is 52560234361.

It can be written as a sum of positive squares in 6 ways, for example, as 529138009 + 15814068516 = 23003^2 + 125754^2 .

It is not a de Polignac number, because 16343206525 - 2⁹ = 16343206013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161937 + ... + 242713.

It is an arithmetic number, because the mean of its divisors is an integer number (1689027591).

Almost surely, 2^16343206525 is an apocalyptic number.

It is an amenable number.

16343206525 is a deficient number, since it is larger than the sum of its proper divisors (3925124567).

16343206525 is an equidigital number, since it uses as much as digits as its factorization.

16343206525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88880 (or 88875 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 16343206525 in words is "sixteen billion, three hundred forty-three million, two hundred six thousand, five hundred twenty-five".