911964051618 has 8 divisors (see below), whose sum is σ = 1823928103248. Its totient is φ = 303988017204.

The previous prime is 911964051611. The next prime is 911964051641. The reversal of 911964051618 is 816150469119.

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

911964051618 is an admirable number.

It is a super-4 number, since 4×911964051618⁴ (a number of 49 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (911964051611) 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 3 ways as a sum of consecutive naturals, for example, 75997004296 + ... + 75997004307.

It is an arithmetic number, because the mean of its divisors is an integer number (227991012906).

Almost surely, 2^911964051618 is an apocalyptic number.

911964051618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

911964051618 is a wasteful number, since it uses less digits than its factorization.

911964051618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151994008608.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 911964051618 in words is "nine hundred eleven billion, nine hundred sixty-four million, fifty-one thousand, six hundred eighteen".