16234258466 has 4 divisors (see below), whose sum is σ = 24351387702. Its totient is φ = 8117129232.

The previous prime is 16234258463. The next prime is 16234258501. The reversal of 16234258466 is 66485243261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66485243261 = 73 ⋅910756757.

It can be written as a sum of positive squares in only one way, i.e., 9441037225 + 6793221241 = 97165^2 + 82421^2 .

It is a super-2 number, since 2×16234258466² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16234258466.

It is not an unprimeable number, because it can be changed into a prime (16234258463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058564615 + ... + 4058564618.

Almost surely, 2^16234258466 is an apocalyptic number.

16234258466 is a deficient number, since it is larger than the sum of its proper divisors (8117129236).

16234258466 is an equidigital number, since it uses as much as digits as its factorization.

16234258466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117129235.

The product of its digits is 1658880, while the sum is 47.

The spelling of 16234258466 in words is "sixteen billion, two hundred thirty-four million, two hundred fifty-eight thousand, four hundred sixty-six".