1078162920 has 128 divisors (see below), whose sum is σ = 3601209600. Its totient is φ = 286924032.

The previous prime is 1078162907. The next prime is 1078162963. The reversal of 1078162920 is 292618701.

1078162920 is a `hidden beast` number, since 1 + 0 + 7 + 8 + 1 + 629 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888234 + ... + 889446.

It is an arithmetic number, because the mean of its divisors is an integer number (28134450).

Almost surely, 2^1078162920 is an apocalyptic number.

1078162920 is a gapful number since it is divisible by the number (10) 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 1078162920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800604800).

1078162920 is an abundant number, since it is smaller than the sum of its proper divisors (2523046680).

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

1078162920 is a wasteful number, since it uses less digits than its factorization.

1078162920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1078162920 is about 32835.3912722233. The cubic root of 1078162920 is about 1025.4035040338.

The spelling of 1078162920 in words is "one billion, seventy-eight million, one hundred sixty-two thousand, nine hundred twenty".