1630245165 has 16 divisors (see below), whose sum is σ = 2622053376. Its totient is φ = 864910400.

The previous prime is 1630245131. The next prime is 1630245173. The reversal of 1630245165 is 5615420361.

It is not a de Polignac number, because 1630245165 - 2¹⁰ = 1630244141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281646 + ... + 287375.

It is an arithmetic number, because the mean of its divisors is an integer number (163878336).

Almost surely, 2^1630245165 is an apocalyptic number.

1630245165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1630245165 is a deficient number, since it is larger than the sum of its proper divisors (991808211).

1630245165 is a wasteful number, since it uses less digits than its factorization.

1630245165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569220.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1630245165 is about 40376.2945922481. The cubic root of 1630245165 is about 1176.9309225826.

The spelling of 1630245165 in words is "one billion, six hundred thirty million, two hundred forty-five thousand, one hundred sixty-five".