25672530216146 has 32 divisors (see below), whose sum is σ = 42989195639808. Its totient is φ = 11397253850640.

The previous prime is 25672530216121. The next prime is 25672530216167. The reversal of 25672530216146 is 64161203527652.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25672530216094 and 25672530216103.

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, 14773691 + ... + 16419713.

It is an arithmetic number, because the mean of its divisors is an integer number (1343412363744).

Almost surely, 2^{25672530216146} is an apocalyptic number.

25672530216146 is a deficient number, since it is larger than the sum of its proper divisors (17316665423662).

25672530216146 is a wasteful number, since it uses less digits than its factorization.

25672530216146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662566.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 25672530216146 in words is "twenty-five trillion, six hundred seventy-two billion, five hundred thirty million, two hundred sixteen thousand, one hundred forty-six".