534540666 has 32 divisors (see below), whose sum is σ = 1172160000. Its totient is φ = 161164080.

The previous prime is 534540659. The next prime is 534540691. The reversal of 534540666 is 666045435.

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 15 ways as a sum of consecutive naturals, for example, 7216 + ... + 33483.

It is an arithmetic number, because the mean of its divisors is an integer number (36630000).

Almost surely, 2^534540666 is an apocalyptic number.

534540666 is an abundant number, since it is smaller than the sum of its proper divisors (637619334).

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

534540666 is a wasteful number, since it uses less digits than its factorization.

534540666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40914.

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 534540666 is about 23120.1355099835. The cubic root of 534540666 is about 811.5717416622.

The spelling of 534540666 in words is "five hundred thirty-four million, five hundred forty thousand, six hundred sixty-six".