1066612100 has 36 divisors (see below), whose sum is σ = 2320934784. Its totient is φ = 425467680.

The previous prime is 1066612093. The next prime is 1066612103. The reversal of 1066612100 is 12166601.

It is a super-2 number, since 2×1066612100² = 2275322743732820000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066612103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22169 + ... + 51231.

Almost surely, 2^1066612100 is an apocalyptic number.

1066612100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066612100 is an abundant number, since it is smaller than the sum of its proper divisors (1254322684).

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

1066612100 is a wasteful number, since it uses less digits than its factorization.

1066612100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29444 (or 29437 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1066612100 is about 32659.0278483607. The cubic root of 1066612100 is about 1021.7284866646.

Adding to 1066612100 its reverse (12166601), we get a palindrome (1078778701).

The spelling of 1066612100 in words is "one billion, sixty-six million, six hundred twelve thousand, one hundred".