16660097476 has 27 divisors (see below), whose sum is σ = 32052055567. Its totient is φ = 7571480840.

The previous prime is 16660097471. The next prime is 16660097491. The reversal of 16660097476 is 67479006661.

The square root of 16660097476 is 129074.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16660097471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2836695 + ... + 2842561.

Almost surely, 2^16660097476 is an apocalyptic number.

16660097476 is the 129074-th square number.

It is an amenable number.

16660097476 is a deficient number, since it is larger than the sum of its proper divisors (15391958091).

16660097476 is an frugal number, since it uses more digits than its factorization.

16660097476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11760 (or 5880 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 16660097476 in words is "sixteen billion, six hundred sixty million, ninety-seven thousand, four hundred seventy-six".