1066737460 has 24 divisors (see below), whose sum is σ = 2240854056. Its totient is φ = 426560640.

The previous prime is 1066737449. The next prime is 1066737461. The reversal of 1066737460 is 647376601.

It can be written as a sum of positive squares in 4 ways, for example, as 91049764 + 975687696 = 9542^2 + 31236^2 .

It is a super-2 number, since 2×1066737460² = 2275857617134503200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066737461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78790 + ... + 91330.

It is an arithmetic number, because the mean of its divisors is an integer number (93368919).

Almost surely, 2^1066737460 is an apocalyptic number.

1066737460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066737460 is an abundant number, since it is smaller than the sum of its proper divisors (1174116596).

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

1066737460 is a wasteful number, since it uses less digits than its factorization.

1066737460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803 (or 16801 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 1066737460 is about 32660.9470162762. The cubic root of 1066737460 is about 1021.7685133576.

The spelling of 1066737460 in words is "one billion, sixty-six million, seven hundred thirty-seven thousand, four hundred sixty".