8601919692 has 144 divisors (see below), whose sum is σ = 22421118720. Its totient is φ = 2562997248.

The previous prime is 8601919681. The next prime is 8601919693. The reversal of 8601919692 is 2969191068.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (8601919693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5516809 + ... + 5518367.

Almost surely, 2^8601919692 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 8601919692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11210559360).

8601919692 is an abundant number, since it is smaller than the sum of its proper divisors (13819199028).

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

8601919692 is a wasteful number, since it uses less digits than its factorization.

8601919692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 8601919692 is about 92746.5346630266. The cubic root of 8601919692 is about 2048.9520475268.

The spelling of 8601919692 in words is "eight billion, six hundred one million, nine hundred nineteen thousand, six hundred ninety-two".