16026550042 has 4 divisors (see below), whose sum is σ = 24039825066. Its totient is φ = 8013275020.

The previous prime is 16026549991. The next prime is 16026550073. The reversal of 16026550042 is 24005562061.

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., 13867182081 + 2159367961 = 117759^2 + 46469^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16026549986 and 16026550013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006637509 + ... + 4006637512.

Almost surely, 2^16026550042 is an apocalyptic number.

16026550042 is a deficient number, since it is larger than the sum of its proper divisors (8013275024).

16026550042 is an equidigital number, since it uses as much as digits as its factorization.

16026550042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013275023.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 16026550042 in words is "sixteen billion, twenty-six million, five hundred fifty thousand, forty-two".