916249251990441 has 24 divisors (see below), whose sum is σ = 1224437867855040. Its totient is φ = 609449615050464.

The previous prime is 916249251990421. The next prime is 916249251990461. The reversal of 916249251990441 is 144099152942619.

It is an interprime number because it is at equal distance from previous prime (916249251990421) and next prime (916249251990461).

It is not a de Polignac number, because 916249251990441 - 2¹¹ = 916249251988393 is a prime.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (916249251990421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1773393975 + ... + 1773910563.

It is an arithmetic number, because the mean of its divisors is an integer number (51018244493960).

Almost surely, 2^{916249251990441} is an apocalyptic number.

It is an amenable number.

916249251990441 is a deficient number, since it is larger than the sum of its proper divisors (308188615864599).

916249251990441 is an equidigital number, since it uses as much as digits as its factorization.

916249251990441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519373 (or 518754 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 916249251990441 in words is "nine hundred sixteen trillion, two hundred forty-nine billion, two hundred fifty-one million, nine hundred ninety thousand, four hundred forty-one".