16526045387 has 2 divisors, whose sum is σ = 16526045388. Its totient is φ = 16526045386.

The previous prime is 16526045363. The next prime is 16526045447. The reversal of 16526045387 is 78354062561.

It is a weak prime.

It is an emirp because it is prime and its reverse (78354062561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16526045387 - 2²⁰ = 16524996811 is a prime.

It is a super-2 number, since 2×16526045387² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16526045087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8263022693 + 8263022694.

It is an arithmetic number, because the mean of its divisors is an integer number (8263022694).

Almost surely, 2^16526045387 is an apocalyptic number.

16526045387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16526045387 is an equidigital number, since it uses as much as digits as its factorization.

16526045387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 16526045387 in words is "sixteen billion, five hundred twenty-six million, forty-five thousand, three hundred eighty-seven".