16157743579 has 2 divisors, whose sum is σ = 16157743580. Its totient is φ = 16157743578.

The previous prime is 16157743571. The next prime is 16157743603. The reversal of 16157743579 is 97534775161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16157743579 - 2³ = 16157743571 is a prime.

It is a super-2 number, since 2×16157743579² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16157743571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078871789 + 8078871790.

It is an arithmetic number, because the mean of its divisors is an integer number (8078871790).

Almost surely, 2^16157743579 is an apocalyptic number.

16157743579 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157743579 is an equidigital number, since it uses as much as digits as its factorization.

16157743579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5556600, while the sum is 55.

The spelling of 16157743579 in words is "sixteen billion, one hundred fifty-seven million, seven hundred forty-three thousand, five hundred seventy-nine".