6606662451 has 32 divisors (see below), whose sum is σ = 9419493888. Its totient is φ = 4104476160.

The previous prime is 6606662449. The next prime is 6606662497. The reversal of 6606662451 is 1542666066.

It is a happy number.

It is not a de Polignac number, because 6606662451 - 2¹ = 6606662449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6606662351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2408941 + ... + 2411681.

It is an arithmetic number, because the mean of its divisors is an integer number (294359184).

Almost surely, 2^6606662451 is an apocalyptic number.

6606662451 is a deficient number, since it is larger than the sum of its proper divisors (2812831437).

6606662451 is a wasteful number, since it uses less digits than its factorization.

6606662451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 6606662451 is about 81281.3782548008. The cubic root of 6606662451 is about 1876.4084186277.

The spelling of 6606662451 in words is "six billion, six hundred six million, six hundred sixty-two thousand, four hundred fifty-one".