9018012061 has 8 divisors (see below), whose sum is σ = 9055810304. Its totient is φ = 8980256160.

The previous prime is 9018012053. The next prime is 9018012071. The reversal of 9018012061 is 1602108109.

It is a happy number.

9018012061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9018012061 - 2³ = 9018012053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9018012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459316 + ... + 478546.

It is an arithmetic number, because the mean of its divisors is an integer number (1131976288).

Almost surely, 2^9018012061 is an apocalyptic number.

It is an amenable number.

9018012061 is a deficient number, since it is larger than the sum of its proper divisors (37798243).

9018012061 is a wasteful number, since it uses less digits than its factorization.

9018012061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 9018012061 is about 94963.2142516248. The cubic root of 9018012061 is about 2081.4705500886.

The spelling of 9018012061 in words is "nine billion, eighteen million, twelve thousand, sixty-one".