16525585423 has 2 divisors, whose sum is σ = 16525585424. Its totient is φ = 16525585422.

The previous prime is 16525585411. The next prime is 16525585469. The reversal of 16525585423 is 32458552561.

It is an a-pointer prime, because the next prime (16525585469) can be obtained adding 16525585423 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16525585423 - 2²¹ = 16523488271 is a prime.

It is a super-3 number, since 3×16525585423³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16525583423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8262792711 + 8262792712.

It is an arithmetic number, because the mean of its divisors is an integer number (8262792712).

Almost surely, 2^16525585423 is an apocalyptic number.

16525585423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16525585423 is an equidigital number, since it uses as much as digits as its factorization.

16525585423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440000, while the sum is 46.

The spelling of 16525585423 in words is "sixteen billion, five hundred twenty-five million, five hundred eighty-five thousand, four hundred twenty-three".