720484000666 has 8 divisors (see below), whose sum is σ = 1080813695220. Its totient is φ = 360212768928.

The previous prime is 720484000633. The next prime is 720484000699. The reversal of 720484000666 is 666000484027.

It is an interprime number because it is at equal distance from previous prime (720484000633) and next prime (720484000699).

It can be written as a sum of positive squares in 2 ways, for example, as 704543675641 + 15940325025 = 839371^2 + 126255^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14584881 + ... + 14634196.

Almost surely, 2^720484000666 is an apocalyptic number.

720484000666 is a deficient number, since it is larger than the sum of its proper divisors (360329694554).

720484000666 is a wasteful number, since it uses less digits than its factorization.

720484000666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29231408.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 720484000666 in words is "seven hundred twenty billion, four hundred eighty-four million, six hundred sixty-six", and thus it is an aban number.