1066618350 has 72 divisors (see below), whose sum is σ = 3275035920. Its totient is φ = 243797760.

The previous prime is 1066618297. The next prime is 1066618363. The reversal of 1066618350 is 538166601.

It is a happy number.

It is a super-2 number, since 2×1066618350² = 2275349409113445000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 166155 + ... + 172454.

It is an arithmetic number, because the mean of its divisors is an integer number (45486610).

Almost surely, 2^1066618350 is an apocalyptic number.

1066618350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066618350 is an abundant number, since it is smaller than the sum of its proper divisors (2208417570).

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

1066618350 is a wasteful number, since it uses less digits than its factorization.

1066618350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338634 (or 338626 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1066618350 is about 32659.1235338611. The cubic root of 1066618350 is about 1021.7304823262.

The spelling of 1066618350 in words is "one billion, sixty-six million, six hundred eighteen thousand, three hundred fifty".