16070620321642 has 4 divisors (see below), whose sum is σ = 24105930482466. Its totient is φ = 8035310160820.

The previous prime is 16070620321633. The next prime is 16070620321711. The reversal of 16070620321642 is 24612302607061.

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., 12301931922921 + 3768688398721 = 3507411^2 + 1941311^2 .

It is a Smith number, since the sum of its digits (40) 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 = 16070620321595 and 16070620321604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017655080409 + ... + 4017655080412.

Almost surely, 2^{16070620321642} is an apocalyptic number.

16070620321642 is a deficient number, since it is larger than the sum of its proper divisors (8035310160824).

16070620321642 is an equidigital number, since it uses as much as digits as its factorization.

16070620321642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035310160823.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 16070620321642 in words is "sixteen trillion, seventy billion, six hundred twenty million, three hundred twenty-one thousand, six hundred forty-two".