8699491164 has 384 divisors, whose sum is σ = 27596800000. Its totient is φ = 2112397056.

The previous prime is 8699491153. The next prime is 8699491169. The reversal of 8699491164 is 4611949968.

It is a super-2 number, since 2×8699491164² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8699491169) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43715937 + ... + 43716135.

Almost surely, 2^8699491164 is an apocalyptic number.

8699491164 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8699491164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13798400000).

8699491164 is an abundant number, since it is smaller than the sum of its proper divisors (18897308836).

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

8699491164 is a wasteful number, since it uses less digits than its factorization.

8699491164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 286 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 8699491164 is about 93271.0628437352. The cubic root of 8699491164 is about 2056.6700185603.

The spelling of 8699491164 in words is "eight billion, six hundred ninety-nine million, four hundred ninety-one thousand, one hundred sixty-four".