164142761 has 4 divisors (see below), whose sum is σ = 164193024. Its totient is φ = 164092500.

The previous prime is 164142751. The next prime is 164142827. The reversal of 164142761 is 167241461.

164142761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164142761 - 2¹⁸ = 163880617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164142731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19865 + ... + 26886.

It is an arithmetic number, because the mean of its divisors is an integer number (41048256).

Almost surely, 2^164142761 is an apocalyptic number.

It is an amenable number.

164142761 is a deficient number, since it is larger than the sum of its proper divisors (50263).

164142761 is an equidigital number, since it uses as much as digits as its factorization.

164142761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50262.

The product of its digits is 8064, while the sum is 32.

The square root of 164142761 is about 12811.8211429913. The cubic root of 164142761 is about 547.5291489384.

The spelling of 164142761 in words is "one hundred sixty-four million, one hundred forty-two thousand, seven hundred sixty-one".