16748986054225 has 6 divisors (see below), whose sum is σ = 20768742707270. Its totient is φ = 13399188843360.

The previous prime is 16748986054189. The next prime is 16748986054259. The reversal of 16748986054225 is 52245068984761.

It can be written as a sum of positive squares in 3 ways, for example, as 5654917292049 + 11094068762176 = 2378007^2 + 3330776^2 .

It is not a de Polignac number, because 16748986054225 - 2¹³ = 16748986046033 is a prime.

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, 334979721060 + ... + 334979721109.

Almost surely, 2^{16748986054225} is an apocalyptic number.

It is an amenable number.

16748986054225 is a deficient number, since it is larger than the sum of its proper divisors (4019756653045).

16748986054225 is an equidigital number, since it uses as much as digits as its factorization.

16748986054225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669959442179 (or 669959442174 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 16748986054225 in words is "sixteen trillion, seven hundred forty-eight billion, nine hundred eighty-six million, fifty-four thousand, two hundred twenty-five".