1634654648 has 16 divisors (see below), whose sum is σ = 3343611960. Its totient is φ = 743024800.

The previous prime is 1634654647. The next prime is 1634654657. The reversal of 1634654648 is 8464564361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634654647) 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 3 ways as a sum of consecutive naturals, for example, 9287723 + ... + 9287898.

Almost surely, 2^1634654648 is an apocalyptic number.

It is an amenable number.

1634654648 is an abundant number, since it is smaller than the sum of its proper divisors (1708957312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1634654648 is a wasteful number, since it uses less digits than its factorization.

1634654648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18575638 (or 18575634 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 1634654648 is about 40430.8625680927. The cubic root of 1634654648 is about 1177.9910872406.

The spelling of 1634654648 in words is "one billion, six hundred thirty-four million, six hundred fifty-four thousand, six hundred forty-eight".