16087101643 has 4 divisors (see below), whose sum is σ = 16087658728. Its totient is φ = 16086544560.

The previous prime is 16087101629. The next prime is 16087101677. The reversal of 16087101643 is 34610178061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34610178061 = 19 ⋅1821588319.

It is a cyclic number.

It is not a de Polignac number, because 16087101643 - 2²¹ = 16085004491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16087101143) 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, 232713 + ... + 293818.

It is an arithmetic number, because the mean of its divisors is an integer number (4021914682).

Almost surely, 2^16087101643 is an apocalyptic number.

16087101643 is a deficient number, since it is larger than the sum of its proper divisors (557085).

16087101643 is an equidigital number, since it uses as much as digits as its factorization.

16087101643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557084.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 16087101643 in words is "sixteen billion, eighty-seven million, one hundred one thousand, six hundred forty-three".