1648658454 has 16 divisors (see below), whose sum is σ = 3297844848. Its totient is φ = 549464832.

The previous prime is 1648658393. The next prime is 1648658483. The reversal of 1648658454 is 4548568461.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1648658397 and 1648658406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26994 + ... + 63450.

It is an arithmetic number, because the mean of its divisors is an integer number (206115303).

Almost surely, 2^1648658454 is an apocalyptic number.

1648658454 is an abundant number, since it is smaller than the sum of its proper divisors (1649186394).

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

1648658454 is a wasteful number, since it uses less digits than its factorization.

1648658454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43999.

The product of its digits is 3686400, while the sum is 51.

The square root of 1648658454 is about 40603.6753755125. The cubic root of 1648658454 is about 1181.3454092976.

The spelling of 1648658454 in words is "one billion, six hundred forty-eight million, six hundred fifty-eight thousand, four hundred fifty-four".