1630695670 has 16 divisors (see below), whose sum is σ = 2936221488. Its totient is φ = 652062880.

The previous prime is 1630695623. The next prime is 1630695673. The reversal of 1630695670 is 765960361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630695673) 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, 6897 + ... + 57523.

It is an arithmetic number, because the mean of its divisors is an integer number (183513843).

Almost surely, 2^1630695670 is an apocalyptic number.

1630695670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630695670 is a deficient number, since it is larger than the sum of its proper divisors (1305525818).

1630695670 is a wasteful number, since it uses less digits than its factorization.

1630695670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53855.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1630695670 is about 40381.8730372924. The cubic root of 1630695670 is about 1177.0393243626.

The spelling of 1630695670 in words is "one billion, six hundred thirty million, six hundred ninety-five thousand, six hundred seventy".