2078006066 has 4 divisors (see below), whose sum is σ = 3117009102. Its totient is φ = 1039003032.

The previous prime is 2078006059. The next prime is 2078006081. The reversal of 2078006066 is 6606008702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1568556025 + 509450041 = 39605^2 + 22571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519501515 + ... + 519501518.

Almost surely, 2^2078006066 is an apocalyptic number.

2078006066 is a deficient number, since it is larger than the sum of its proper divisors (1039003036).

2078006066 is a wasteful number, since it uses less digits than its factorization.

2078006066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039003035.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2078006066 is about 45585.1518150373. The cubic root of 2078006066 is about 1276.0928353790.

The spelling of 2078006066 in words is "two billion, seventy-eight million, six thousand, sixty-six".