961211018 has 8 divisors (see below), whose sum is σ = 1441958112. Its totient is φ = 480558316.

The previous prime is 961210981. The next prime is 961211023. The reversal of 961211018 is 810112169.

961211018 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 super-2 number, since 2×961211018² = 1847853242249192648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13571 + ... + 45897.

It is an arithmetic number, because the mean of its divisors is an integer number (180244764).

Almost surely, 2^961211018 is an apocalyptic number.

961211018 is a deficient number, since it is larger than the sum of its proper divisors (480747094).

961211018 is a wasteful number, since it uses less digits than its factorization.

961211018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47196.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 961211018 is about 31003.4033293121. The cubic root of 961211018 is about 986.8994647654.

The spelling of 961211018 in words is "nine hundred sixty-one million, two hundred eleven thousand, eighteen".