16650616051 has 16 divisors (see below), whose sum is σ = 18104269824. Its totient is φ = 15254313984.

The previous prime is 16650616039. The next prime is 16650616079. The reversal of 16650616051 is 15061605661.

It is a cyclic number.

It is not a de Polignac number, because 16650616051 - 2⁷ = 16650615923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16650616051.

It is not an unprimeable number, because it can be changed into a prime (16650616091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41671 + ... + 187183.

It is an arithmetic number, because the mean of its divisors is an integer number (1131516864).

Almost surely, 2^16650616051 is an apocalyptic number.

16650616051 is a deficient number, since it is larger than the sum of its proper divisors (1453653773).

16650616051 is a wasteful number, since it uses less digits than its factorization.

16650616051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145710.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 16650616051 in words is "sixteen billion, six hundred fifty million, six hundred sixteen thousand, fifty-one".