207213160 has 128 divisors (see below), whose sum is σ = 593568000. Its totient is φ = 64538880.

The previous prime is 207213137. The next prime is 207213179. The reversal of 207213160 is 61312702.

It is a super-4 number, since 4×207213160⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150234 + ... + 151606.

It is an arithmetic number, because the mean of its divisors is an integer number (4637250).

Almost surely, 2^207213160 is an apocalyptic number.

207213160 is a gapful number since it is divisible by the number (20) 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 207213160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296784000).

207213160 is an abundant number, since it is smaller than the sum of its proper divisors (386354840).

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

207213160 is a wasteful number, since it uses less digits than its factorization.

207213160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 207213160 is about 14394.9004859360. The cubic root of 207213160 is about 591.7511508886.

Adding to 207213160 its reverse (61312702), we get a palindrome (268525862).

The spelling of 207213160 in words is "two hundred seven million, two hundred thirteen thousand, one hundred sixty".