648835416 has 48 divisors (see below), whose sum is σ = 1758439800. Its totient is φ = 216133632.

The previous prime is 648835409. The next prime is 648835469. The reversal of 648835416 is 614538846.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193240 + ... + 196568.

Almost surely, 2^648835416 is an apocalyptic number.

It is an amenable number.

648835416 is an abundant number, since it is smaller than the sum of its proper divisors (1109604384).

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

648835416 is a wasteful number, since it uses less digits than its factorization.

648835416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048 (or 6041 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 648835416 is about 25472.2479573358. The cubic root of 648835416 is about 865.7214585277.

The spelling of 648835416 in words is "six hundred forty-eight million, eight hundred thirty-five thousand, four hundred sixteen".