1066409950 has 24 divisors (see below), whose sum is σ = 2069764848. Its totient is φ = 408017280.

The previous prime is 1066409923. The next prime is 1066409969. The reversal of 1066409950 is 599046601.

It is a super-2 number, since 2×1066409950² = 2274460362918005000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462507 + ... + 464806.

It is an arithmetic number, because the mean of its divisors is an integer number (86240202).

Almost surely, 2^1066409950 is an apocalyptic number.

1066409950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066409950 is a deficient number, since it is larger than the sum of its proper divisors (1003354898).

1066409950 is a wasteful number, since it uses less digits than its factorization.

1066409950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927348 (or 927343 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1066409950 is about 32655.9328453499. The cubic root of 1066409950 is about 1021.6639347801.

The spelling of 1066409950 in words is "one billion, sixty-six million, four hundred nine thousand, nine hundred fifty".