1630314665 has 16 divisors (see below), whose sum is σ = 2353537920. Its totient is φ = 1059091200.

The previous prime is 1630314643. The next prime is 1630314667. The reversal of 1630314665 is 5664130361.

It is not a de Polignac number, because 1630314665 - 2¹⁴ = 1630298281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1630314667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225136 + ... + 1226465.

It is an arithmetic number, because the mean of its divisors is an integer number (147096120).

Almost surely, 2^1630314665 is an apocalyptic number.

It is an amenable number.

1630314665 is a deficient number, since it is larger than the sum of its proper divisors (723223255).

1630314665 is a wasteful number, since it uses less digits than its factorization.

1630314665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451632.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1630314665 is about 40377.1552365939. The cubic root of 1630314665 is about 1176.9476471708.

The spelling of 1630314665 in words is "one billion, six hundred thirty million, three hundred fourteen thousand, six hundred sixty-five".