1354648664 has 96 divisors (see below), whose sum is σ = 2814082560. Its totient is φ = 609871680.

The previous prime is 1354648661. The next prime is 1354648717. The reversal of 1354648664 is 4668464531.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354648661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8310647 + ... + 8310809.

It is an arithmetic number, because the mean of its divisors is an integer number (29313360).

Almost surely, 2^1354648664 is an apocalyptic number.

It is an amenable number.

1354648664 is an abundant number, since it is smaller than the sum of its proper divisors (1459433896).

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

1354648664 is a wasteful number, since it uses less digits than its factorization.

1354648664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 266 counting only the distinct ones).

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

The square root of 1354648664 is about 36805.5520811738. The cubic root of 1354648664 is about 1106.4765758726.

The spelling of 1354648664 in words is "one billion, three hundred fifty-four million, six hundred forty-eight thousand, six hundred sixty-four".