1665000147 has 8 divisors (see below), whose sum is σ = 2229695440. Its totient is φ = 1105152480.

The previous prime is 1665000121. The next prime is 1665000157. The reversal of 1665000147 is 7410005661.

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

It is not a de Polignac number, because 1665000147 - 2⁶ = 1665000083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1665000157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211104 + ... + 1212477.

It is an arithmetic number, because the mean of its divisors is an integer number (278711930).

Almost surely, 2^1665000147 is an apocalyptic number.

1665000147 is a deficient number, since it is larger than the sum of its proper divisors (564695293).

1665000147 is a wasteful number, since it uses less digits than its factorization.

1665000147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423813.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1665000147 is about 40804.4133274821. The cubic root of 1665000147 is about 1185.2357942003.

The spelling of 1665000147 in words is "one billion, six hundred sixty-five million, one hundred forty-seven", and thus it is an aban number.