168450711 has 32 divisors (see below), whose sum is σ = 265047552. Its totient is φ = 93816960.

The previous prime is 168450701. The next prime is 168450749. The reversal of 168450711 is 117054861.

It is a happy number.

It is not a de Polignac number, because 168450711 - 2²⁶ = 101341847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168450701) by changing a digit.

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, 112081 + ... + 113573.

It is an arithmetic number, because the mean of its divisors is an integer number (8282736).

Almost surely, 2^168450711 is an apocalyptic number.

168450711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

168450711 is a deficient number, since it is larger than the sum of its proper divisors (96596841).

168450711 is a wasteful number, since it uses less digits than its factorization.

168450711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 168450711 is about 12978.8563055456. The cubic root of 168450711 is about 552.2778381044.

The spelling of 168450711 in words is "one hundred sixty-eight million, four hundred fifty thousand, seven hundred eleven".