1066510898 has 4 divisors (see below), whose sum is σ = 1599766350. Its totient is φ = 533255448.

The previous prime is 1066510853. The next prime is 1066510909. The reversal of 1066510898 is 8980156601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 785512729 + 280998169 = 28027^2 + 16763^2 .

It is a super-2 number, since 2×1066510898² = 2274890991105532808, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266627723 + ... + 266627726.

Almost surely, 2^1066510898 is an apocalyptic number.

1066510898 is a deficient number, since it is larger than the sum of its proper divisors (533255452).

1066510898 is an equidigital number, since it uses as much as digits as its factorization.

1066510898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533255451.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 1066510898 is about 32657.4784390957. The cubic root of 1066510898 is about 1021.6961711874.

The spelling of 1066510898 in words is "one billion, sixty-six million, five hundred ten thousand, eight hundred ninety-eight".