1006640147 has 2 divisors, whose sum is σ = 1006640148. Its totient is φ = 1006640146.

The previous prime is 1006640137. The next prime is 1006640177. The reversal of 1006640147 is 7410466001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006640147 - 2⁸ = 1006639891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1006640137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503320073 + 503320074.

It is an arithmetic number, because the mean of its divisors is an integer number (503320074).

Almost surely, 2^1006640147 is an apocalyptic number.

1006640147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006640147 is an equidigital number, since it uses as much as digits as its factorization.

1006640147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1006640147 is about 31727.5928333682. The cubic root of 1006640147 is about 1002.2085012649.

The spelling of 1006640147 in words is "one billion, six million, six hundred forty thousand, one hundred forty-seven".