16070620321641 has 4 divisors (see below), whose sum is σ = 21427493762192. Its totient is φ = 10713746881092.

The previous prime is 16070620321633. The next prime is 16070620321711. The reversal of 16070620321641 is 14612302607061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16070620321641 - 2³ = 16070620321633 is a prime.

It is a super-3 number, since 3×16070620321641³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16070620321641.

It is not an unprimeable number, because it can be changed into a prime (16070620321541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678436720271 + ... + 2678436720276.

It is an arithmetic number, because the mean of its divisors is an integer number (5356873440548).

Almost surely, 2^{16070620321641} is an apocalyptic number.

It is an amenable number.

16070620321641 is a deficient number, since it is larger than the sum of its proper divisors (5356873440551).

16070620321641 is an equidigital number, since it uses as much as digits as its factorization.

16070620321641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356873440550.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 16070620321641 in words is "sixteen trillion, seventy billion, six hundred twenty million, three hundred twenty-one thousand, six hundred forty-one".