1630146982 has 4 divisors (see below), whose sum is σ = 2445220476. Its totient is φ = 815073490.

The previous prime is 1630146979. The next prime is 1630146989. The reversal of 1630146982 is 2896410361.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630146989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407536744 + ... + 407536747.

It is an arithmetic number, because the mean of its divisors is an integer number (611305119).

Almost surely, 2^1630146982 is an apocalyptic number.

1630146982 is a deficient number, since it is larger than the sum of its proper divisors (815073494).

1630146982 is an equidigital number, since it uses as much as digits as its factorization.

1630146982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815073493.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1630146982 is about 40375.0787243815. The cubic root of 1630146982 is about 1176.9072948627.

The spelling of 1630146982 in words is "one billion, six hundred thirty million, one hundred forty-six thousand, nine hundred eighty-two".