648179496 has 160 divisors (see below), whose sum is σ = 1922215680. Its totient is φ = 203731200.

The previous prime is 648179489. The next prime is 648179501. The reversal of 648179496 is 694971846.

648179496 is a `hidden beast` number, since 6 + 4 + 81 + 79 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (2612736) is a multiple of the sum of its prime divisors (864).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 823215 + ... + 824001.

It is an arithmetic number, because the mean of its divisors is an integer number (12013848).

Almost surely, 2^648179496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648179496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961107840).

648179496 is an abundant number, since it is smaller than the sum of its proper divisors (1274036184).

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

648179496 is a wasteful number, since it uses less digits than its factorization.

648179496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 864 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 648179496 is about 25459.3695130103. The cubic root of 648179496 is about 865.4296354343.

The spelling of 648179496 in words is "six hundred forty-eight million, one hundred seventy-nine thousand, four hundred ninety-six".