1016155552 has 48 divisors (see below), whose sum is σ = 2137794120. Its totient is φ = 473776128.

The previous prime is 1016155523. The next prime is 1016155559. The reversal of 1016155552 is 2555516101.

It can be written as a sum of positive squares in 4 ways, for example, as 783776016 + 232379536 = 27996^2 + 15244^2 .

It is not an unprimeable number, because it can be changed into a prime (1016155559) 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 7 ways as a sum of consecutive naturals, for example, 50728 + ... + 67864.

Almost surely, 2^1016155552 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 1016155552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068897060).

1016155552 is an abundant number, since it is smaller than the sum of its proper divisors (1121638568).

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

1016155552 is a wasteful number, since it uses less digits than its factorization.

1016155552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17273 (or 17265 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The square root of 1016155552 is about 31877.1948577663. The cubic root of 1016155552 is about 1005.3564413085.

The spelling of 1016155552 in words is "one billion, sixteen million, one hundred fifty-five thousand, five hundred fifty-two".