16386090451 has 4 divisors (see below), whose sum is σ = 16386487272. Its totient is φ = 16385693632.

The previous prime is 16386090431. The next prime is 16386090503. The reversal of 16386090451 is 15409068361.

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 16386090451 - 2¹⁵ = 16386057683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16386090398 and 16386090407.

It is not an unprimeable number, because it can be changed into a prime (16386090421) 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, 128185 + ... + 221818.

It is an arithmetic number, because the mean of its divisors is an integer number (4096621818).

Almost surely, 2^16386090451 is an apocalyptic number.

16386090451 is a deficient number, since it is larger than the sum of its proper divisors (396821).

16386090451 is an equidigital number, since it uses as much as digits as its factorization.

16386090451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396820.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 16386090451 in words is "sixteen billion, three hundred eighty-six million, ninety thousand, four hundred fifty-one".