551707160000 has 140 divisors (see below), whose sum is σ = 1369075780512. Its totient is φ = 220518144000.

The previous prime is 551707159981. The next prime is 551707160027. The reversal of 551707160000 is 61707155.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63315644 + ... + 63324356.

Almost surely, 2^551707160000 is an apocalyptic number.

551707160000 is a gapful number since it is divisible by the number (50) 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 551707160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684537890256).

551707160000 is an abundant number, since it is smaller than the sum of its proper divisors (817368620512).

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

551707160000 is an equidigital number, since it uses as much as digits as its factorization.

551707160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328 (or 10303 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

Adding to 551707160000 its reverse (61707155), we get a palindrome (551768867155).

The spelling of 551707160000 in words is "five hundred fifty-one billion, seven hundred seven million, one hundred sixty thousand".