16612651043043 has 64 divisors (see below), whose sum is σ = 26319029760000. Its totient is φ = 9207249851520.

The previous prime is 16612651043003. The next prime is 16612651043083. The reversal of 16612651043043 is 34034015621661.

It is a happy number.

It is a Cunningham number, because it is equal to 4075862²-1.

It is an interprime number because it is at equal distance from previous prime (16612651043003) and next prime (16612651043083).

It is not a de Polignac number, because 16612651043043 - 2¹⁸ = 16612650780899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16612651042986 and 16612651043004.

It is not an unprimeable number, because it can be changed into a prime (16612651043003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77334138 + ... + 77548656.

It is an arithmetic number, because the mean of its divisors is an integer number (411234840000).

Almost surely, 2^{16612651043043} is an apocalyptic number.

16612651043043 is a deficient number, since it is larger than the sum of its proper divisors (9706378716957).

16612651043043 is a wasteful number, since it uses less digits than its factorization.

16612651043043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218840.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 16612651043043 in words is "sixteen trillion, six hundred twelve billion, six hundred fifty-one million, forty-three thousand, forty-three".