16020010643 has 8 divisors (see below), whose sum is σ = 19716936288. Its totient is φ = 12675173184.

The previous prime is 16020010627. The next prime is 16020010651. The reversal of 16020010643 is 34601002061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16020010643 - 2⁴ = 16020010627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16020010693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88021946 + ... + 88022127.

It is an arithmetic number, because the mean of its divisors is an integer number (2464617036).

Almost surely, 2^16020010643 is an apocalyptic number.

16020010643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16020010643 is a deficient number, since it is larger than the sum of its proper divisors (3696925645).

16020010643 is a wasteful number, since it uses less digits than its factorization.

16020010643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176044093.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 16020010643 in words is "sixteen billion, twenty million, ten thousand, six hundred forty-three".