534516661 has 16 divisors (see below), whose sum is σ = 632816640. Its totient is φ = 441745920.

The previous prime is 534516641. The next prime is 534516691. The reversal of 534516661 is 166615435.

It is not a de Polignac number, because 534516661 - 2⁵ = 534516629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 534516661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534516611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199845 + ... + 202501.

It is an arithmetic number, because the mean of its divisors is an integer number (39551040).

Almost surely, 2^534516661 is an apocalyptic number.

It is an amenable number.

534516661 is a deficient number, since it is larger than the sum of its proper divisors (98299979).

534516661 is a wasteful number, since it uses less digits than its factorization.

534516661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684.

The product of its digits is 64800, while the sum is 37.

The square root of 534516661 is about 23119.6163679244. The cubic root of 534516661 is about 811.5595928694.

The spelling of 534516661 in words is "five hundred thirty-four million, five hundred sixteen thousand, six hundred sixty-one".