1078966656 has 224 divisors, whose sum is σ = 3335661120. Its totient is φ = 347120640.

The previous prime is 1078966627. The next prime is 1078966667. The reversal of 1078966656 is 6566698701.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2892486 + ... + 2892858.

Almost surely, 2^1078966656 is an apocalyptic number.

1078966656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078966656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667830560).

1078966656 is an abundant number, since it is smaller than the sum of its proper divisors (2256694464).

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

1078966656 is an frugal number, since it uses more digits than its factorization.

1078966656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 1078966656 is about 32847.6278595578. The cubic root of 1078966656 is about 1025.6582425917.

The spelling of 1078966656 in words is "one billion, seventy-eight million, nine hundred sixty-six thousand, six hundred fifty-six".