27438160161 has 16 divisors (see below), whose sum is σ = 36656832960. Its totient is φ = 18255832320.

The previous prime is 27438160153. The next prime is 27438160163. The reversal of 27438160161 is 16106183472.

It is not a de Polignac number, because 27438160161 - 2³ = 27438160153 is a prime.

It is a super-3 number, since 3×27438160161³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27438160163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4515021 + ... + 4521093.

It is an arithmetic number, because the mean of its divisors is an integer number (2291052060).

Almost surely, 2^27438160161 is an apocalyptic number.

It is an amenable number.

27438160161 is a deficient number, since it is larger than the sum of its proper divisors (9218672799).

27438160161 is a wasteful number, since it uses less digits than its factorization.

27438160161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 27438160161 in words is "twenty-seven billion, four hundred thirty-eight million, one hundred sixty thousand, one hundred sixty-one".