160138761 has 4 divisors (see below), whose sum is σ = 213518352. Its totient is φ = 106759172.

The previous prime is 160138747. The next prime is 160138787. The reversal of 160138761 is 167831061.

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.

It is a cyclic number.

It is not a de Polignac number, because 160138761 - 2¹⁹ = 159614473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160138721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26689791 + ... + 26689796.

It is an arithmetic number, because the mean of its divisors is an integer number (53379588).

Almost surely, 2^160138761 is an apocalyptic number.

It is an amenable number.

160138761 is a deficient number, since it is larger than the sum of its proper divisors (53379591).

160138761 is an equidigital number, since it uses as much as digits as its factorization.

160138761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53379590.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 160138761 is about 12654.5944620916. The cubic root of 160138761 is about 543.0404176814.

The spelling of 160138761 in words is "one hundred sixty million, one hundred thirty-eight thousand, seven hundred sixty-one".