1016404666 has 8 divisors (see below), whose sum is σ = 1525394304. Its totient is φ = 507939900.

The previous prime is 1016404651. The next prime is 1016404667. The reversal of 1016404666 is 6664046101.

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

It is not an unprimeable number, because it can be changed into a prime (1016404667) 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, 126340 + ... + 134143.

It is an arithmetic number, because the mean of its divisors is an integer number (190674288).

Almost surely, 2^1016404666 is an apocalyptic number.

1016404666 is a deficient number, since it is larger than the sum of its proper divisors (508989638).

1016404666 is a wasteful number, since it uses less digits than its factorization.

1016404666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262436.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1016404666 is about 31881.1020198487. The cubic root of 1016404666 is about 1005.4385901162.

The spelling of 1016404666 in words is "one billion, sixteen million, four hundred four thousand, six hundred sixty-six".