16023666025 has 6 divisors (see below), whose sum is σ = 19869345902. Its totient is φ = 12818932800.

The previous prime is 16023666007. The next prime is 16023666041. The reversal of 16023666025 is 52066632061.

It can be written as a sum of positive squares in 3 ways, for example, as 2383294761 + 13640371264 = 48819^2 + 116792^2 .

It is not a de Polignac number, because 16023666025 - 2¹⁵ = 16023633257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320473296 + ... + 320473345.

Almost surely, 2^16023666025 is an apocalyptic number.

It is an amenable number.

16023666025 is a deficient number, since it is larger than the sum of its proper divisors (3845679877).

16023666025 is an equidigital number, since it uses as much as digits as its factorization.

16023666025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640946651 (or 640946646 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 16023666025 in words is "sixteen billion, twenty-three million, six hundred sixty-six thousand, twenty-five".