1066502550 has 48 divisors (see below), whose sum is σ = 2736141840. Its totient is φ = 274592640.

The previous prime is 1066502533. The next prime is 1066502557. The reversal of 1066502550 is 552056601.

It is a super-2 number, since 2×1066502550² = 2274855378313005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066502557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118237 + ... + 126936.

It is an arithmetic number, because the mean of its divisors is an integer number (57002955).

Almost surely, 2^1066502550 is an apocalyptic number.

1066502550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066502550 is an abundant number, since it is smaller than the sum of its proper divisors (1669639290).

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

1066502550 is a wasteful number, since it uses less digits than its factorization.

1066502550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245217 (or 245212 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1066502550 is about 32657.3506273856. The cubic root of 1066502550 is about 1021.6935054413.

The spelling of 1066502550 in words is "one billion, sixty-six million, five hundred two thousand, five hundred fifty".