16084471657 has 4 divisors (see below), whose sum is σ = 16240631680. Its totient is φ = 15928311636.

The previous prime is 16084471651. The next prime is 16084471661. The reversal of 16084471657 is 75617448061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75617448061 = 29 ⋅2607498209.

It is a cyclic number.

It is not a de Polignac number, because 16084471657 - 2¹⁵ = 16084438889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16084471657.

It is not an unprimeable number, because it can be changed into a prime (16084471651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78079857 + ... + 78080062.

It is an arithmetic number, because the mean of its divisors is an integer number (4060157920).

Almost surely, 2^16084471657 is an apocalyptic number.

It is an amenable number.

16084471657 is a deficient number, since it is larger than the sum of its proper divisors (156160023).

16084471657 is a wasteful number, since it uses less digits than its factorization.

16084471657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156160022.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 16084471657 in words is "sixteen billion, eighty-four million, four hundred seventy-one thousand, six hundred fifty-seven".