2066807451 has 8 divisors (see below), whose sum is σ = 2807738640. Its totient is φ = 1351873952.

The previous prime is 2066807447. The next prime is 2066807489. The reversal of 2066807451 is 1547086602.

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

It is a cyclic number.

It is not a de Polignac number, because 2066807451 - 2² = 2066807447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066807411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6499236 + ... + 6499553.

It is an arithmetic number, because the mean of its divisors is an integer number (350967330).

Almost surely, 2^2066807451 is an apocalyptic number.

2066807451 is a deficient number, since it is larger than the sum of its proper divisors (740931189).

2066807451 is a wasteful number, since it uses less digits than its factorization.

2066807451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998845.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2066807451 is about 45462.1540514745. The cubic root of 2066807451 is about 1273.7963678277.

The spelling of 2066807451 in words is "two billion, sixty-six million, eight hundred seven thousand, four hundred fifty-one".