1016381530 has 32 divisors (see below), whose sum is σ = 1871197200. Its totient is φ = 397343232.

The previous prime is 1016381519. The next prime is 1016381537. The reversal of 1016381530 is 351836101.

It can be written as a sum of positive squares in 8 ways, for example, as 355737321 + 660644209 = 18861^2 + 25703^2 .

It is not an unprimeable number, because it can be changed into a prime (1016381537) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 139006 + ... + 146134.

Almost surely, 2^1016381530 is an apocalyptic number.

1016381530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016381530 is a deficient number, since it is larger than the sum of its proper divisors (854815670).

1016381530 is a wasteful number, since it uses less digits than its factorization.

1016381530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1016381530 is about 31880.7391695989. The cubic root of 1016381530 is about 1005.4309612637.

The spelling of 1016381530 in words is "one billion, sixteen million, three hundred eighty-one thousand, five hundred thirty".