1066515144 has 32 divisors (see below), whose sum is σ = 2806620000. Its totient is φ = 336794112.

The previous prime is 1066515143. The next prime is 1066515157. The reversal of 1066515144 is 4415156601.

It is a super-2 number, since 2×1066515144² = 2274909104762681472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066515143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168969 + ... + 1169880.

It is an arithmetic number, because the mean of its divisors is an integer number (87706875).

Almost surely, 2^1066515144 is an apocalyptic number.

It is an amenable number.

1066515144 is an abundant number, since it is smaller than the sum of its proper divisors (1740104856).

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

1066515144 is a wasteful number, since it uses less digits than its factorization.

1066515144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338877 (or 2338873 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1066515144 is about 32657.5434471119. The cubic root of 1066515144 is about 1021.6975270467.

The spelling of 1066515144 in words is "one billion, sixty-six million, five hundred fifteen thousand, one hundred forty-four".