916105554 has 192 divisors, whose sum is σ = 2615348736. Its totient is φ = 224888832.

The previous prime is 916105549. The next prime is 916105559. The reversal of 916105554 is 455501619.

916105554 is a `hidden beast` number, since 91 + 6 + 10 + 5 + 554 = 666.

916105554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (916105549) and next prime (916105559).

It is not an unprimeable number, because it can be changed into a prime (916105559) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4650184 + ... + 4650380.

It is an arithmetic number, because the mean of its divisors is an integer number (13621608).

Almost surely, 2^916105554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916105554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307674368).

916105554 is an abundant number, since it is smaller than the sum of its proper divisors (1699243182).

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

916105554 is a wasteful number, since it uses less digits than its factorization.

916105554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 916105554 is about 30267.2356517737. The cubic root of 916105554 is about 971.2145320799.

The spelling of 916105554 in words is "nine hundred sixteen million, one hundred five thousand, five hundred fifty-four".