84448160915581 has 8 divisors (see below), whose sum is σ = 86466659241600. Its totient is φ = 82432143844512.

The previous prime is 84448160915561. The next prime is 84448160915593. The reversal of 84448160915581 is 18551906184448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84448160915581 - 2³⁷ = 84310721962109 is a prime.

It is a super-2 number, since 2×84448160915581² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84448160915561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620244856 + ... + 620380993.

It is an arithmetic number, because the mean of its divisors is an integer number (10808332405200).

Almost surely, 2^{84448160915581} is an apocalyptic number.

It is an amenable number.

84448160915581 is a deficient number, since it is larger than the sum of its proper divisors (2018498326019).

84448160915581 is a wasteful number, since it uses less digits than its factorization.

84448160915581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240627475.

The product of its (nonzero) digits is 44236800, while the sum is 64.

The spelling of 84448160915581 in words is "eighty-four trillion, four hundred forty-eight billion, one hundred sixty million, nine hundred fifteen thousand, five hundred eighty-one".