534563668 has 6 divisors (see below), whose sum is σ = 935486426. Its totient is φ = 267281832.

The previous prime is 534563633. The next prime is 534563681. The reversal of 534563668 is 866365435.

It can be written as a sum of positive squares in only one way, i.e., 493372944 + 41190724 = 22212^2 + 6418^2 .

It is a super-2 number, since 2×534563668² = 571516630291228448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66820455 + ... + 66820462.

Almost surely, 2^534563668 is an apocalyptic number.

It is an amenable number.

534563668 is a deficient number, since it is larger than the sum of its proper divisors (400922758).

534563668 is a wasteful number, since it uses less digits than its factorization.

534563668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133640921 (or 133640919 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The square root of 534563668 is about 23120.6329498135. The cubic root of 534563668 is about 811.5833825011.

The spelling of 534563668 in words is "five hundred thirty-four million, five hundred sixty-three thousand, six hundred sixty-eight".