164353763077 has 4 divisors (see below), whose sum is σ = 187832872096. Its totient is φ = 140874654060.

The previous prime is 164353763071. The next prime is 164353763117. The reversal of 164353763077 is 770367353461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 770367353461 = 1439 ⋅535349099.

It is not a de Polignac number, because 164353763077 - 2³ = 164353763069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164353763071) 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, 11739554499 + ... + 11739554512.

It is an arithmetic number, because the mean of its divisors is an integer number (46958218024).

Almost surely, 2^164353763077 is an apocalyptic number.

It is an amenable number.

164353763077 is a deficient number, since it is larger than the sum of its proper divisors (23479109019).

164353763077 is an equidigital number, since it uses as much as digits as its factorization.

164353763077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23479109018.

The product of its (nonzero) digits is 6667920, while the sum is 52.

The spelling of 164353763077 in words is "one hundred sixty-four billion, three hundred fifty-three million, seven hundred sixty-three thousand, seventy-seven".