16534557627 has 8 divisors (see below), whose sum is σ = 25195516416. Its totient is φ = 9448318632.

The previous prime is 16534557623. The next prime is 16534557661. The reversal of 16534557627 is 72675543561.

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

It is not a de Polignac number, because 16534557627 - 2² = 16534557623 is a prime.

It is a super-2 number, since 2×16534557627² (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 16534557627.

It is not an unprimeable number, because it can be changed into a prime (16534557623) 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, 393679923 + ... + 393679964.

It is an arithmetic number, because the mean of its divisors is an integer number (3149439552).

Almost surely, 2^16534557627 is an apocalyptic number.

16534557627 is a deficient number, since it is larger than the sum of its proper divisors (8660958789).

16534557627 is an equidigital number, since it uses as much as digits as its factorization.

16534557627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787359897.

The product of its digits is 5292000, while the sum is 51.

The spelling of 16534557627 in words is "sixteen billion, five hundred thirty-four million, five hundred fifty-seven thousand, six hundred twenty-seven".