86640160320 has 168 divisors, whose sum is σ = 340578423744. Its totient is φ = 19803460608.

The previous prime is 86640160301. The next prime is 86640160367. The reversal of 86640160320 is 2306104668.

86640160320 is a `hidden beast` number, since 8 + 6 + 6 + 40 + 1 + 603 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2128654 + ... + 2168973.

Almost surely, 2^86640160320 is an apocalyptic number.

86640160320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86640160320 is an abundant number, since it is smaller than the sum of its proper divisors (253938263424).

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

86640160320 is a wasteful number, since it uses less digits than its factorization.

86640160320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297657 (or 4297644 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 86640160320 its reverse (2306104668), we get a palindrome (88946264988).

The spelling of 86640160320 in words is "eighty-six billion, six hundred forty million, one hundred sixty thousand, three hundred twenty".