117206671872 has 160 divisors (see below), whose sum is σ = 319585330944. Its totient is φ = 38154240000.

The previous prime is 117206671871. The next prime is 117206671937. The reversal of 117206671872 is 278176602711.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (117206671871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39054372 + ... + 39057372.

Almost surely, 2^117206671872 is an apocalyptic number.

117206671872 is a gapful number since it is divisible by the number (12) 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 117206671872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159792665472).

117206671872 is an abundant number, since it is smaller than the sum of its proper divisors (202378659072).

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

117206671872 is an equidigital number, since it uses as much as digits as its factorization.

117206671872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 117206671872 in words is "one hundred seventeen billion, two hundred six million, six hundred seventy-one thousand, eight hundred seventy-two".