1630696941 has 48 divisors (see below), whose sum is σ = 2637048960. Its totient is φ = 1003907520.

The previous prime is 1630696909. The next prime is 1630696979. The reversal of 1630696941 is 1496960361.

1630696941 is a `hidden beast` number, since 1 + 630 + 6 + 9 + 6 + 9 + 4 + 1 = 666.

It is not a de Polignac number, because 1630696941 - 2⁵ = 1630696909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630696241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157051 + ... + 167111.

It is an arithmetic number, because the mean of its divisors is an integer number (54938520).

Almost surely, 2^1630696941 is an apocalyptic number.

It is an amenable number.

1630696941 is a deficient number, since it is larger than the sum of its proper divisors (1006352019).

1630696941 is a wasteful number, since it uses less digits than its factorization.

1630696941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128 (or 10116 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1630696941 is about 40381.8887745484. Note that the first 3 decimals coincide. The cubic root of 1630696941 is about 1177.0396301659.

The spelling of 1630696941 in words is "one billion, six hundred thirty million, six hundred ninety-six thousand, nine hundred forty-one".