16364007427 has 4 divisors (see below), whose sum is σ = 16806277936. Its totient is φ = 15921736920.

The previous prime is 16364007389. The next prime is 16364007467. The reversal of 16364007427 is 72470046361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16364007427 - 2¹⁵ = 16363974659 is a prime.

It is a super-2 number, since 2×16364007427² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16364007427.

It is not an unprimeable number, because it can be changed into a prime (16364007467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221135199 + ... + 221135272.

It is an arithmetic number, because the mean of its divisors is an integer number (4201569484).

Almost surely, 2^16364007427 is an apocalyptic number.

16364007427 is a deficient number, since it is larger than the sum of its proper divisors (442270509).

16364007427 is an equidigital number, since it uses as much as digits as its factorization.

16364007427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442270508.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 16364007427 in words is "sixteen billion, three hundred sixty-four million, seven thousand, four hundred twenty-seven".