168450499 has 4 divisors (see below), whose sum is σ = 192514864. Its totient is φ = 144386136.

The previous prime is 168450439. The next prime is 168450511. The reversal of 168450499 is 994054861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994054861 = 14737 ⋅67453.

It is a cyclic number.

It is not a de Polignac number, because 168450499 - 2¹⁷ = 168319427 is a prime.

It is a super-2 number, since 2×168450499² = 56751141226698002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168450419) 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, 12032172 + ... + 12032185.

It is an arithmetic number, because the mean of its divisors is an integer number (48128716).

Almost surely, 2^168450499 is an apocalyptic number.

168450499 is a deficient number, since it is larger than the sum of its proper divisors (24064365).

168450499 is an equidigital number, since it uses as much as digits as its factorization.

168450499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24064364.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 168450499 is about 12978.8481384135. The cubic root of 168450499 is about 552.2776064185.

The spelling of 168450499 in words is "one hundred sixty-eight million, four hundred fifty thousand, four hundred ninety-nine".