16157921467 has 2 divisors, whose sum is σ = 16157921468. Its totient is φ = 16157921466.

The previous prime is 16157921459. The next prime is 16157921471. The reversal of 16157921467 is 76412975161.

16157921467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16157921467 - 2³ = 16157921459 is a prime.

It is a super-2 number, since 2×16157921467² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16157921467.

It is not a weakly prime, because it can be changed into another prime (16157921447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078960733 + 8078960734.

It is an arithmetic number, because the mean of its divisors is an integer number (8078960734).

Almost surely, 2^16157921467 is an apocalyptic number.

16157921467 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157921467 is an equidigital number, since it uses as much as digits as its factorization.

16157921467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The spelling of 16157921467 in words is "sixteen billion, one hundred fifty-seven million, nine hundred twenty-one thousand, four hundred sixty-seven".