16661482042 has 8 divisors (see below), whose sum is σ = 25012430676. Its totient is φ = 8324005152.

The previous prime is 16661482039. The next prime is 16661482073. The reversal of 16661482042 is 24028416661.

It can be written as a sum of positive squares in 2 ways, for example, as 16152122281 + 509359761 = 127091^2 + 22569^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16661481986 and 16661482004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3364843 + ... + 3369790.

Almost surely, 2^16661482042 is an apocalyptic number.

16661482042 is a deficient number, since it is larger than the sum of its proper divisors (8350948634).

16661482042 is a wasteful number, since it uses less digits than its factorization.

16661482042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735872.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 16661482042 in words is "sixteen billion, six hundred sixty-one million, four hundred eighty-two thousand, forty-two".