891542416 has 10 divisors (see below), whose sum is σ = 1727363462. Its totient is φ = 445771200.

The previous prime is 891542387. The next prime is 891542419. The reversal of 891542416 is 614245198.

891542416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 625200016 + 266342400 = 25004^2 + 16320^2 .

It is not an unprimeable number, because it can be changed into a prime (891542419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27860685 + ... + 27860716.

Almost surely, 2^891542416 is an apocalyptic number.

It is an amenable number.

891542416 is a deficient number, since it is larger than the sum of its proper divisors (835821046).

891542416 is a wasteful number, since it uses less digits than its factorization.

891542416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55721409 (or 55721403 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 891542416 is about 29858.7075406823. The cubic root of 891542416 is about 962.4555251502.

The spelling of 891542416 in words is "eight hundred ninety-one million, five hundred forty-two thousand, four hundred sixteen".