1017516666838 has 48 divisors (see below), whose sum is σ = 1784764879920. Its totient is φ = 433797166656.

The previous prime is 1017516666833. The next prime is 1017516666883. The reversal of 1017516666838 is 8386666157101.

It is a super-2 number, since 2×1017516666838² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017516666833) 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, 26619556 + ... + 26657752.

It is an arithmetic number, because the mean of its divisors is an integer number (37182601665).

Almost surely, 2^{1017516666838} is an apocalyptic number.

1017516666838 is a deficient number, since it is larger than the sum of its proper divisors (767248213082).

1017516666838 is a wasteful number, since it uses less digits than its factorization.

1017516666838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39629 (or 39622 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 1017516666838 in words is "one trillion, seventeen billion, five hundred sixteen million, six hundred sixty-six thousand, eight hundred thirty-eight".