1630148834 has 16 divisors (see below), whose sum is σ = 2503419072. Its totient is φ = 795696048.

The previous prime is 1630148827. The next prime is 1630148837. The reversal of 1630148834 is 4388410361.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1630148837) 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, 211472 + ... + 219044.

It is an arithmetic number, because the mean of its divisors is an integer number (156463692).

Almost surely, 2^1630148834 is an apocalyptic number.

1630148834 is a deficient number, since it is larger than the sum of its proper divisors (873270238).

1630148834 is a wasteful number, since it uses less digits than its factorization.

1630148834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1630148834 is about 40375.1016593147. The cubic root of 1630148834 is about 1176.9077405549.

The spelling of 1630148834 in words is "one billion, six hundred thirty million, one hundred forty-eight thousand, eight hundred thirty-four".