916051968 has 144 divisors (see below), whose sum is σ = 2849988960. Its totient is φ = 281788416.

The previous prime is 916051967. The next prime is 916052003. The reversal of 916051968 is 869150619.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916051963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237705 + ... + 241527.

It is an arithmetic number, because the mean of its divisors is an integer number (19791590).

Almost surely, 2^916051968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916051968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424994480).

916051968 is an abundant number, since it is smaller than the sum of its proper divisors (1933936992).

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

916051968 is a wasteful number, since it uses less digits than its factorization.

916051968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 916051968 is about 30266.3504241922. The cubic root of 916051968 is about 971.1955952094.

The spelling of 916051968 in words is "nine hundred sixteen million, fifty-one thousand, nine hundred sixty-eight".