535661516 has 24 divisors (see below), whose sum is σ = 1024590000. Its totient is φ = 243536832.

The previous prime is 535661473. The next prime is 535661569. The reversal of 535661516 is 615166535.

It is a self number, because there is not a number n which added to its sum of digits gives 535661516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73391 + ... + 80358.

It is an arithmetic number, because the mean of its divisors is an integer number (42691250).

Almost surely, 2^535661516 is an apocalyptic number.

It is an amenable number.

535661516 is a deficient number, since it is larger than the sum of its proper divisors (488928484).

535661516 is a wasteful number, since it uses less digits than its factorization.

535661516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153833 (or 153831 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 535661516 is about 23144.3625101233. The cubic root of 535661516 is about 812.1385929078.

The spelling of 535661516 in words is "five hundred thirty-five million, six hundred sixty-one thousand, five hundred sixteen".