66099244 has 6 divisors (see below), whose sum is σ = 115673684. Its totient is φ = 33049620.

The previous prime is 66099227. The next prime is 66099251. The reversal of 66099244 is 44299066.

It is a super-2 number, since 2×66099244² = 8738220114743072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66099197 and 66099206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8262402 + ... + 8262409.

Almost surely, 2^66099244 is an apocalyptic number.

It is an amenable number.

66099244 is a deficient number, since it is larger than the sum of its proper divisors (49574440).

66099244 is a wasteful number, since it uses less digits than its factorization.

66099244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524815 (or 16524813 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 66099244 is about 8130.1441561635. The cubic root of 66099244 is about 404.3264606298.

The spelling of 66099244 in words is "sixty-six million, ninety-nine thousand, two hundred forty-four".