16633540051 has 8 divisors (see below), whose sum is σ = 16870818384. Its totient is φ = 16397139840.

The previous prime is 16633540043. The next prime is 16633540067. The reversal of 16633540051 is 15004533661.

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 16633540051 - 2³ = 16633540043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16633539989 and 16633540016.

It is not an unprimeable number, because it can be changed into a prime (16633540081) 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, 181330 + ... + 257191.

It is an arithmetic number, because the mean of its divisors is an integer number (2108852298).

Almost surely, 2^16633540051 is an apocalyptic number.

16633540051 is a deficient number, since it is larger than the sum of its proper divisors (237278333).

16633540051 is an equidigital number, since it uses as much as digits as its factorization.

16633540051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439061.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 16633540051 in words is "sixteen billion, six hundred thirty-three million, five hundred forty thousand, fifty-one".