534881666 has 32 divisors (see below), whose sum is σ = 890714880. Its totient is φ = 238867200.

The previous prime is 534881651. The next prime is 534881681. The reversal of 534881666 is 666188435.

It is an interprime number because it is at equal distance from previous prime (534881651) and next prime (534881681).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 534881666.

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, 418220 + ... + 419496.

It is an arithmetic number, because the mean of its divisors is an integer number (27834840).

Almost surely, 2^534881666 is an apocalyptic number.

534881666 is a deficient number, since it is larger than the sum of its proper divisors (355833214).

534881666 is a wasteful number, since it uses less digits than its factorization.

534881666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 829440, while the sum is 47.

The square root of 534881666 is about 23127.5088585001. The cubic root of 534881666 is about 811.7442805378.

The spelling of 534881666 in words is "five hundred thirty-four million, eight hundred eighty-one thousand, six hundred sixty-six".