1630162444 has 12 divisors (see below), whose sum is σ = 2976818544. Its totient is φ = 779642864.

The previous prime is 1630162433. The next prime is 1630162447. The reversal of 1630162444 is 4442610361.

It is not an unprimeable number, because it can be changed into a prime (1630162447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859487 + ... + 8859670.

It is an arithmetic number, because the mean of its divisors is an integer number (248068212).

Almost surely, 2^1630162444 is an apocalyptic number.

It is an amenable number.

1630162444 is a deficient number, since it is larger than the sum of its proper divisors (1346656100).

1630162444 is a wasteful number, since it uses less digits than its factorization.

1630162444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17719184 (or 17719182 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1630162444 is about 40375.2702034302. The cubic root of 1630162444 is about 1176.9110158529.

The spelling of 1630162444 in words is "one billion, six hundred thirty million, one hundred sixty-two thousand, four hundred forty-four".