16671012530 has 32 divisors (see below), whose sum is σ = 30435423408. Its totient is φ = 6573952000.

The previous prime is 16671012517. The next prime is 16671012539. The reversal of 16671012530 is 3521017661.

It can be written as a sum of positive squares in 8 ways, for example, as 9240400129 + 7430612401 = 96127^2 + 86201^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16671012539) 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, 199910 + ... + 270750.

Almost surely, 2^16671012530 is an apocalyptic number.

16671012530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16671012530 is a deficient number, since it is larger than the sum of its proper divisors (13764410878).

16671012530 is a wasteful number, since it uses less digits than its factorization.

16671012530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71182.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 16671012530 in words is "sixteen billion, six hundred seventy-one million, twelve thousand, five hundred thirty".