1630656141 has 32 divisors (see below), whose sum is σ = 2342753280. Its totient is φ = 1006886400.

The previous prime is 1630656127. The next prime is 1630656151. The reversal of 1630656141 is 1416560361.

It is not a de Polignac number, because 1630656141 - 2¹⁴ = 1630639757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630656151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198055 + ... + 206123.

It is an arithmetic number, because the mean of its divisors is an integer number (73211040).

Almost surely, 2^1630656141 is an apocalyptic number.

It is an amenable number.

1630656141 is a deficient number, since it is larger than the sum of its proper divisors (712097139).

1630656141 is a wasteful number, since it uses less digits than its factorization.

1630656141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1630656141 is about 40381.3835944238. The cubic root of 1630656141 is about 1177.0298135825.

The spelling of 1630656141 in words is "one billion, six hundred thirty million, six hundred fifty-six thousand, one hundred forty-one".