18200829961 has 8 divisors (see below), whose sum is σ = 19344777920. Its totient is φ = 17075482992.

The previous prime is 18200829893. The next prime is 18200829967. The reversal of 18200829961 is 16992800281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18200829961 - 2¹¹ = 18200827913 is a prime.

It is a super-2 number, since 2×18200829961² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18200829967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4648230 + ... + 4652143.

It is an arithmetic number, because the mean of its divisors is an integer number (2418097240).

Almost surely, 2^18200829961 is an apocalyptic number.

It is an amenable number.

18200829961 is a deficient number, since it is larger than the sum of its proper divisors (1143947959).

18200829961 is a wasteful number, since it uses less digits than its factorization.

18200829961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300495.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 18200829961 in words is "eighteen billion, two hundred million, eight hundred twenty-nine thousand, nine hundred sixty-one".