1078661152 has 24 divisors (see below), whose sum is σ = 2248533756. Its totient is φ = 507604992.

The previous prime is 1078661131. The next prime is 1078661161. The reversal of 1078661152 is 2511668701.

It can be written as a sum of positive squares in 2 ways, for example, as 1075577616 + 3083536 = 32796^2 + 1756^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990873 + ... + 991960.

Almost surely, 2^1078661152 is an apocalyptic number.

It is an amenable number.

1078661152 is an abundant number, since it is smaller than the sum of its proper divisors (1169872604).

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

1078661152 is a wasteful number, since it uses less digits than its factorization.

1078661152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982860 (or 1982852 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1078661152 is about 32842.9772097476. The cubic root of 1078661152 is about 1025.5614301238.

The spelling of 1078661152 in words is "one billion, seventy-eight million, six hundred sixty-one thousand, one hundred fifty-two".