16403062042 has 4 divisors (see below), whose sum is σ = 24604593066. Its totient is φ = 8201531020.

The previous prime is 16403062009. The next prime is 16403062057. The reversal of 16403062042 is 24026030461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14783884921 + 1619177121 = 121589^2 + 40239^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16403062042.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4100765509 + ... + 4100765512.

Almost surely, 2^16403062042 is an apocalyptic number.

16403062042 is a deficient number, since it is larger than the sum of its proper divisors (8201531024).

16403062042 is an equidigital number, since it uses as much as digits as its factorization.

16403062042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201531023.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 16403062042 in words is "sixteen billion, four hundred three million, sixty-two thousand, forty-two".