16057406593 has 8 divisors (see below), whose sum is σ = 17025168168. Its totient is φ = 15092223744.

The previous prime is 16057406587. The next prime is 16057406621. The reversal of 16057406593 is 39560475061.

It can be written as a sum of positive squares in 4 ways, for example, as 6944222224 + 9113184369 = 83332^2 + 95463^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16057406593 is a prime.

It is a super-4 number, since 4×16057406593⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (16057406503) 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, 631846 + ... + 656767.

It is an arithmetic number, because the mean of its divisors is an integer number (2128146021).

Almost surely, 2^16057406593 is an apocalyptic number.

It is an amenable number.

16057406593 is a deficient number, since it is larger than the sum of its proper divisors (967761575).

16057406593 is a wasteful number, since it uses less digits than its factorization.

16057406593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289363.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 16057406593 in words is "sixteen billion, fifty-seven million, four hundred six thousand, five hundred ninety-three".