1648657254 has 8 divisors (see below), whose sum is σ = 3297314520. Its totient is φ = 549552416.

The previous prime is 1648657253. The next prime is 1648657261. The reversal of 1648657254 is 4527568461.

It is a sphenic number, since it is the product of 3 distinct primes.

1648657254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648657253) 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, 137388099 + ... + 137388110.

It is an arithmetic number, because the mean of its divisors is an integer number (412164315).

Almost surely, 2^1648657254 is an apocalyptic number.

1648657254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1648657254 is a wasteful number, since it uses less digits than its factorization.

1648657254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274776214.

The product of its digits is 1612800, while the sum is 48.

The square root of 1648657254 is about 40603.6605985224. The cubic root of 1648657254 is about 1181.3451226777.

The spelling of 1648657254 in words is "one billion, six hundred forty-eight million, six hundred fifty-seven thousand, two hundred fifty-four".