16527566149 has 8 divisors (see below), whose sum is σ = 17178769440. Its totient is φ = 15887126736.

The previous prime is 16527566147. The next prime is 16527566177. The reversal of 16527566149 is 94166572561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16527566149 - 2¹ = 16527566147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16527566096 and 16527566105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16527566147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687839 + ... + 2693980.

It is an arithmetic number, because the mean of its divisors is an integer number (2147346180).

Almost surely, 2^16527566149 is an apocalyptic number.

It is an amenable number.

16527566149 is a deficient number, since it is larger than the sum of its proper divisors (651203291).

16527566149 is an equidigital number, since it uses as much as digits as its factorization.

16527566149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381939.

The product of its digits is 2721600, while the sum is 52.

The spelling of 16527566149 in words is "sixteen billion, five hundred twenty-seven million, five hundred sixty-six thousand, one hundred forty-nine".