1648698000 has 80 divisors (see below), whose sum is σ = 5315421696. Its totient is φ = 439651200.

The previous prime is 1648697993. The next prime is 1648698013. The reversal of 1648698000 is 8968461.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131392 + ... + 143391.

Almost surely, 2^1648698000 is an apocalyptic number.

1648698000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648698000 is an abundant number, since it is smaller than the sum of its proper divisors (3666723696).

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

1648698000 is a wasteful number, since it uses less digits than its factorization.

1648698000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274809 (or 274793 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1648698000 is about 40604.1623482125. The cubic root of 1648698000 is about 1181.3548547777.

The spelling of 1648698000 in words is "one billion, six hundred forty-eight million, six hundred ninety-eight thousand".