1066451536 has 10 divisors (see below), whose sum is σ = 2066249882. Its totient is φ = 533225760.

The previous prime is 1066451501. The next prime is 1066451537. The reversal of 1066451536 is 6351546601.

It can be written as a sum of positive squares in only one way, i.e., 1052613136 + 13838400 = 32444^2 + 3720^2 .

It is a super-2 number, since 2×1066451536² = 2274637757273518592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066451495 and 1066451504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066451537) 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 as a sum of consecutive naturals, namely, 33326595 + ... + 33326626.

Almost surely, 2^1066451536 is an apocalyptic number.

1066451536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1066451536 is a deficient number, since it is larger than the sum of its proper divisors (999798346).

1066451536 is an equidigital number, since it uses as much as digits as its factorization.

1066451536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66653229 (or 66653223 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1066451536 is about 32656.5695687713. The cubic root of 1066451536 is about 1021.6772149650.

The spelling of 1066451536 in words is "one billion, sixty-six million, four hundred fifty-one thousand, five hundred thirty-six".