16246552402139 has 4 divisors (see below), whose sum is σ = 17202231955224. Its totient is φ = 15290872849056.

The previous prime is 16246552402123. The next prime is 16246552402151. The reversal of 16246552402139 is 93120425564261.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16246552402139 - 2⁴ = 16246552402123 is a prime.

It is a super-2 number, since 2×16246552402139² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16246552402159) 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, 477839776517 + ... + 477839776550.

It is an arithmetic number, because the mean of its divisors is an integer number (4300557988806).

Almost surely, 2^{16246552402139} is an apocalyptic number.

16246552402139 is a deficient number, since it is larger than the sum of its proper divisors (955679553085).

16246552402139 is an equidigital number, since it uses as much as digits as its factorization.

16246552402139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955679553084.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 16246552402139 in words is "sixteen trillion, two hundred forty-six billion, five hundred fifty-two million, four hundred two thousand, one hundred thirty-nine".