534881665 has 8 divisors (see below), whose sum is σ = 642590208. Its totient is φ = 427417200.

The previous prime is 534881651. The next prime is 534881681. The reversal of 534881665 is 566188435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 534881665 - 2²¹ = 532784513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56161 + ... + 64990.

It is an arithmetic number, because the mean of its divisors is an integer number (80323776).

Almost surely, 2^534881665 is an apocalyptic number.

It is an amenable number.

534881665 is a deficient number, since it is larger than the sum of its proper divisors (107708543).

534881665 is a wasteful number, since it uses less digits than its factorization.

534881665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122039.

The product of its digits is 691200, while the sum is 46.

The square root of 534881665 is about 23127.5088368808. The cubic root of 534881665 is about 811.7442800319.

The spelling of 534881665 in words is "five hundred thirty-four million, eight hundred eighty-one thousand, six hundred sixty-five".