18679052161 has 16 divisors (see below), whose sum is σ = 23292057600. Its totient is φ = 14552675280.

The previous prime is 18679052153. The next prime is 18679052237. The reversal of 18679052161 is 16125097681.

It is not a de Polignac number, because 18679052161 - 2³ = 18679052153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18679052101) 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, 546040 + ... + 579238.

It is an arithmetic number, because the mean of its divisors is an integer number (1455753600).

Almost surely, 2^18679052161 is an apocalyptic number.

18679052161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18679052161 is a deficient number, since it is larger than the sum of its proper divisors (4613005439).

18679052161 is a wasteful number, since it uses less digits than its factorization.

18679052161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40524.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 18679052161 in words is "eighteen billion, six hundred seventy-nine million, fifty-two thousand, one hundred sixty-one".