1532630666 has 16 divisors (see below), whose sum is σ = 2648057856. Its totient is φ = 651668976.

The previous prime is 1532630663. The next prime is 1532630677. The reversal of 1532630666 is 6660362351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1532630663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429221 + ... + 432776.

It is an arithmetic number, because the mean of its divisors is an integer number (165503616).

Almost surely, 2^1532630666 is an apocalyptic number.

1532630666 is a deficient number, since it is larger than the sum of its proper divisors (1115427190).

1532630666 is a wasteful number, since it uses less digits than its factorization.

1532630666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862133.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 1532630666 is about 39148.8271344111. The cubic root of 1532630666 is about 1152.9553892284.

The spelling of 1532630666 in words is "one billion, five hundred thirty-two million, six hundred thirty thousand, six hundred sixty-six".