1907849666226 has 48 divisors (see below), whose sum is σ = 4444038413856. Its totient is φ = 544440705984.

The previous prime is 1907849666221. The next prime is 1907849666237. The reversal of 1907849666226 is 6226669487091.

It is a super-4 number, since 4×1907849666226⁴ (a number of 50 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1907849666221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3680251 + ... + 4166526.

It is an arithmetic number, because the mean of its divisors is an integer number (92584133622).

Almost surely, 2^{1907849666226} is an apocalyptic number.

1907849666226 is an abundant number, since it is smaller than the sum of its proper divisors (2536188747630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1907849666226 is a wasteful number, since it uses less digits than its factorization.

1907849666226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847623 (or 7847616 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 1907849666226 in words is "one trillion, nine hundred seven billion, eight hundred forty-nine million, six hundred sixty-six thousand, two hundred twenty-six".