168214780 has 12 divisors (see below), whose sum is σ = 353251080. Its totient is φ = 67285904.

The previous prime is 168214777. The next prime is 168214789. The reversal of 168214780 is 87412861.

168214780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×168214780³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168214789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205350 + ... + 4205389.

It is an arithmetic number, because the mean of its divisors is an integer number (29437590).

Almost surely, 2^168214780 is an apocalyptic number.

168214780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168214780 is an abundant number, since it is smaller than the sum of its proper divisors (185036300).

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

168214780 is a wasteful number, since it uses less digits than its factorization.

168214780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410748 (or 8410746 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 168214780 is about 12969.7640687871. The cubic root of 168214780 is about 552.0198786862.

The spelling of 168214780 in words is "one hundred sixty-eight million, two hundred fourteen thousand, seven hundred eighty".