16006451463 has 6 divisors (see below), whose sum is σ = 23120429904. Its totient is φ = 10670967636.

The previous prime is 16006451437. The next prime is 16006451471. The reversal of 16006451463 is 36415460061.

It is a happy number.

16006451463 is a `hidden beast` number, since 1 + 6 + 0 + 0 + 645 + 1 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 16006451463 - 2⁸ = 16006451207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16006451063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 889247295 + ... + 889247312.

It is an arithmetic number, because the mean of its divisors is an integer number (3853404984).

Almost surely, 2^16006451463 is an apocalyptic number.

16006451463 is a deficient number, since it is larger than the sum of its proper divisors (7113978441).

16006451463 is a wasteful number, since it uses less digits than its factorization.

16006451463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778494613 (or 1778494610 counting only the distinct ones).

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

The spelling of 16006451463 in words is "sixteen billion, six million, four hundred fifty-one thousand, four hundred sixty-three".