16465063401 has 8 divisors (see below), whose sum is σ = 24392686560. Its totient is φ = 10976708916.

The previous prime is 16465063399. The next prime is 16465063409. The reversal of 16465063401 is 10436056461.

It is a happy number.

16465063401 is a `hidden beast` number, since 1 + 646 + 5 + 0 + 6 + 3 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 16465063401 - 2¹ = 16465063399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16465063409) 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, 304908555 + ... + 304908608.

It is an arithmetic number, because the mean of its divisors is an integer number (3049085820).

Almost surely, 2^16465063401 is an apocalyptic number.

It is an amenable number.

16465063401 is a deficient number, since it is larger than the sum of its proper divisors (7927623159).

16465063401 is an equidigital number, since it uses as much as digits as its factorization.

16465063401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609817172 (or 609817166 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16465063401 in words is "sixteen billion, four hundred sixty-five million, sixty-three thousand, four hundred one".