1506066566 has 8 divisors (see below), whose sum is σ = 2259535824. Its totient is φ = 752887960.

The previous prime is 1506066563. The next prime is 1506066581. The reversal of 1506066566 is 6656606051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506066563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59210 + ... + 80733.

It is an arithmetic number, because the mean of its divisors is an integer number (282441978).

Almost surely, 2^1506066566 is an apocalyptic number.

1506066566 is a deficient number, since it is larger than the sum of its proper divisors (753469258).

1506066566 is a wasteful number, since it uses less digits than its factorization.

1506066566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145326.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 1506066566 is about 38808.0734641646. The cubic root of 1506066566 is about 1146.2553855408.

The spelling of 1506066566 in words is "one billion, five hundred six million, sixty-six thousand, five hundred sixty-six".