16430055657 has 8 divisors (see below), whose sum is σ = 21913354560. Its totient is φ = 10950063600.

The previous prime is 16430055643. The next prime is 16430055667. The reversal of 16430055657 is 75655003461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16430055657 - 2⁷ = 16430055529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16430055667) 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, 815094 + ... + 835007.

It is an arithmetic number, because the mean of its divisors is an integer number (2739169320).

Almost surely, 2^16430055657 is an apocalyptic number.

It is an amenable number.

16430055657 is a deficient number, since it is larger than the sum of its proper divisors (5483298903).

16430055657 is a wasteful number, since it uses less digits than its factorization.

16430055657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653423.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 16430055657 in words is "sixteen billion, four hundred thirty million, fifty-five thousand, six hundred fifty-seven".