869212460160 has 512 divisors, whose sum is σ = 3389211936000. Its totient is φ = 208780001280.

The previous prime is 869212460147. The next prime is 869212460183. The reversal of 869212460160 is 61064212968.

869212460160 is a `hidden beast` number, since 8 + 6 + 9 + 21 + 2 + 460 + 160 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20697744 + ... + 20739696.

Almost surely, 2^869212460160 is an apocalyptic number.

869212460160 is a gapful number since it is divisible by the number (80) 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 869212460160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694605968000).

869212460160 is an abundant number, since it is smaller than the sum of its proper divisors (2519999475840).

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

869212460160 is a wasteful number, since it uses less digits than its factorization.

869212460160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42101 (or 42083 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 869212460160 in words is "eight hundred sixty-nine billion, two hundred twelve million, four hundred sixty thousand, one hundred sixty".