1066100505 has 16 divisors (see below), whose sum is σ = 1745430720. Its totient is φ = 555363648.

The previous prime is 1066100479. The next prime is 1066100521. The reversal of 1066100505 is 5050016601.

It is not a de Polignac number, because 1066100505 - 2⁷ = 1066100377 is a prime.

It is a super-2 number, since 2×1066100505² = 2273140573522510050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825790 + ... + 827079.

It is an arithmetic number, because the mean of its divisors is an integer number (109089420).

Almost surely, 2^1066100505 is an apocalyptic number.

1066100505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066100505 is a deficient number, since it is larger than the sum of its proper divisors (679330215).

1066100505 is a wasteful number, since it uses less digits than its factorization.

1066100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652920.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1066100505 is about 32651.1945417009. The cubic root of 1066100505 is about 1021.5651049380.

The spelling of 1066100505 in words is "one billion, sixty-six million, one hundred thousand, five hundred five".