16309485641 has 4 divisors (see below), whose sum is σ = 16505985552. Its totient is φ = 16112985732.

The previous prime is 16309485629. The next prime is 16309485659. The reversal of 16309485641 is 14658490361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16309485641 - 2²² = 16305291337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16309485341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98249831 + ... + 98249996.

It is an arithmetic number, because the mean of its divisors is an integer number (4126496388).

Almost surely, 2^16309485641 is an apocalyptic number.

It is an amenable number.

16309485641 is a deficient number, since it is larger than the sum of its proper divisors (196499911).

16309485641 is an equidigital number, since it uses as much as digits as its factorization.

16309485641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196499910.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 16309485641 in words is "sixteen billion, three hundred nine million, four hundred eighty-five thousand, six hundred forty-one".