534661566 has 64 divisors (see below), whose sum is σ = 1130443776. Its totient is φ = 168396800.

The previous prime is 534661549. The next prime is 534661571. The reversal of 534661566 is 665166435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1514446 + ... + 1514798.

It is an arithmetic number, because the mean of its divisors is an integer number (17663184).

Almost surely, 2^534661566 is an apocalyptic number.

534661566 is an abundant number, since it is smaller than the sum of its proper divisors (595782210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

534661566 is a wasteful number, since it uses less digits than its factorization.

534661566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its digits is 388800, while the sum is 42.

The square root of 534661566 is about 23122.7499662129. The cubic root of 534661566 is about 811.6329229301.

The spelling of 534661566 in words is "five hundred thirty-four million, six hundred sixty-one thousand, five hundred sixty-six".