16263453064 has 16 divisors (see below), whose sum is σ = 30548146320. Its totient is φ = 8117280720.

The previous prime is 16263453029. The next prime is 16263453071. The reversal of 16263453064 is 46035436261.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800942 + ... + 1809949.

It is an arithmetic number, because the mean of its divisors is an integer number (1909259145).

Almost surely, 2^16263453064 is an apocalyptic number.

It is an amenable number.

16263453064 is a deficient number, since it is larger than the sum of its proper divisors (14284693256).

16263453064 is a wasteful number, since it uses less digits than its factorization.

16263453064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611460 (or 3611456 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 16263453064 in words is "sixteen billion, two hundred sixty-three million, four hundred fifty-three thousand, sixty-four".