20141664177 has 4 divisors (see below), whose sum is σ = 26855552240. Its totient is φ = 13427776116.

The previous prime is 20141664157. The next prime is 20141664197. The reversal of 20141664177 is 77146614102.

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 an interprime number because it is at equal distance from previous prime (20141664157) and next prime (20141664197).

It is not a de Polignac number, because 20141664177 - 2⁶ = 20141664113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20141664157) 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, 3356944027 + ... + 3356944032.

It is an arithmetic number, because the mean of its divisors is an integer number (6713888060).

Almost surely, 2^20141664177 is an apocalyptic number.

It is an amenable number.

20141664177 is a deficient number, since it is larger than the sum of its proper divisors (6713888063).

20141664177 is an equidigital number, since it uses as much as digits as its factorization.

20141664177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713888062.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 20141664177 in words is "twenty billion, one hundred forty-one million, six hundred sixty-four thousand, one hundred seventy-seven".