16603106125 has 16 divisors (see below), whose sum is σ = 20724356016. Its totient is φ = 13280126400.

The previous prime is 16603106059. The next prime is 16603106131. The reversal of 16603106125 is 52160130661.

It can be written as a sum of positive squares in 8 ways, for example, as 14658913476 + 1944192649 = 121074^2 + 44093^2 .

It is not a de Polignac number, because 16603106125 - 2²¹ = 16601008973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154479 + ... + 1168771.

It is an arithmetic number, because the mean of its divisors is an integer number (1295272251).

Almost surely, 2^16603106125 is an apocalyptic number.

It is an amenable number.

16603106125 is a deficient number, since it is larger than the sum of its proper divisors (4121249891).

16603106125 is an equidigital number, since it uses as much as digits as its factorization.

16603106125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23601 (or 23591 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 16603106125 its reverse (52160130661), we get a palindrome (68763236786).

The spelling of 16603106125 in words is "sixteen billion, six hundred three million, one hundred six thousand, one hundred twenty-five".