662112011 has 8 divisors (see below), whose sum is σ = 725488704. Its totient is φ = 599266120.

The previous prime is 662111969. The next prime is 662112071. The reversal of 662112011 is 110211266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 662112011 - 2¹⁰ = 662110987 is a prime.

It is a super-2 number, since 2×662112011² = 876784630220928242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662112071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130085 + ... + 135078.

It is an arithmetic number, because the mean of its divisors is an integer number (90686088).

Almost surely, 2^662112011 is an apocalyptic number.

662112011 is a deficient number, since it is larger than the sum of its proper divisors (63376693).

662112011 is a wasteful number, since it uses less digits than its factorization.

662112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265401.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 662112011 is about 25731.5372840412. The cubic root of 662112011 is about 871.5864877723.

Adding to 662112011 its reverse (110211266), we get a palindrome (772323277).

The spelling of 662112011 in words is "six hundred sixty-two million, one hundred twelve thousand, eleven".