16601027 has 16 divisors (see below), whose sum is σ = 18374400. Its totient is φ = 14981760.

The previous prime is 16600951. The next prime is 16601029. The reversal of 16601027 is 72010661.

It is a de Polignac number, because none of the positive numbers 2^k-16601027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16600993 and 16601011.

It is not an unprimeable number, because it can be changed into a prime (16601029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152249 + ... + 152357.

It is an arithmetic number, because the mean of its divisors is an integer number (1148400).

Almost surely, 2^16601027 is an apocalyptic number.

16601027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16601027 is a deficient number, since it is larger than the sum of its proper divisors (1773373).

16601027 is an equidigital number, since it uses as much as digits as its factorization.

16601027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 16601027 is about 4074.4357891615. The cubic root of 16601027 is about 255.1007009681.

Adding to 16601027 its reverse (72010661), we get a palindrome (88611688).

The spelling of 16601027 in words is "sixteen million, six hundred one thousand, twenty-seven".