16464234633 has 64 divisors (see below), whose sum is σ = 28313763840. Its totient is φ = 8258860800.

The previous prime is 16464234617. The next prime is 16464234637. The reversal of 16464234633 is 33643246461.

It is a happy number.

It is not a de Polignac number, because 16464234633 - 2⁴ = 16464234617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16464234637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3642691 + ... + 3647207.

It is an arithmetic number, because the mean of its divisors is an integer number (442402560).

Almost surely, 2^16464234633 is an apocalyptic number.

It is an amenable number.

16464234633 is a deficient number, since it is larger than the sum of its proper divisors (11849529207).

16464234633 is a wasteful number, since it uses less digits than its factorization.

16464234633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078.

The product of its digits is 746496, while the sum is 42.

The spelling of 16464234633 in words is "sixteen billion, four hundred sixty-four million, two hundred thirty-four thousand, six hundred thirty-three".