716669066 has 8 divisors (see below), whose sum is σ = 1097876160. Its totient is φ = 350710348.

The previous prime is 716669059. The next prime is 716669069. The reversal of 716669066 is 660966617.

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

It is a super-2 number, since 2×716669066² = 1027229100322624712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 716669066.

It is not an unprimeable number, because it can be changed into a prime (716669069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3811976 + ... + 3812163.

It is an arithmetic number, because the mean of its divisors is an integer number (137234520).

Almost surely, 2^716669066 is an apocalyptic number.

716669066 is a deficient number, since it is larger than the sum of its proper divisors (381207094).

716669066 is a wasteful number, since it uses less digits than its factorization.

716669066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624188.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 716669066 is about 26770.6754864348. The cubic root of 716669066 is about 894.8966583759.

The spelling of 716669066 in words is "seven hundred sixteen million, six hundred sixty-nine thousand, sixty-six".