468166538 has 16 divisors (see below), whose sum is σ = 808432704. Its totient is φ = 199177440.

The previous prime is 468166537. The next prime is 468166549. The reversal of 468166538 is 835661864.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 468166492 and 468166501.

It is not an unprimeable number, because it can be changed into a prime (468166537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120128 + ... + 123963.

It is an arithmetic number, because the mean of its divisors is an integer number (50527044).

Almost surely, 2^468166538 is an apocalyptic number.

468166538 is a deficient number, since it is larger than the sum of its proper divisors (340266166).

468166538 is a wasteful number, since it uses less digits than its factorization.

468166538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244237.

The product of its digits is 829440, while the sum is 47.

The square root of 468166538 is about 21637.1564213045. The cubic root of 468166538 is about 776.4856900763.

The spelling of 468166538 in words is "four hundred sixty-eight million, one hundred sixty-six thousand, five hundred thirty-eight".