916538880 has 160 divisors (see below), whose sum is σ = 2955667968. Its totient is φ = 242278400.

The previous prime is 916538813. The next prime is 916538893. The reversal of 916538880 is 88835619.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005625 + ... + 1006535.

Almost surely, 2^916538880 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 916538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477833984).

916538880 is an abundant number, since it is smaller than the sum of its proper divisors (2039129088).

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

916538880 is a wasteful number, since it uses less digits than its factorization.

916538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 916538880 is about 30274.3931400780. The cubic root of 916538880 is about 971.3676389529.

The spelling of 916538880 in words is "nine hundred sixteen million, five hundred thirty-eight thousand, eight hundred eighty".