16044639272495 has 4 divisors (see below), whose sum is σ = 19253567127000. Its totient is φ = 12835711417992.

The previous prime is 16044639272461. The next prime is 16044639272591. The reversal of 16044639272495 is 59427293644061.

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

It is a cyclic number.

It is not a de Polignac number, because 16044639272495 - 2⁸ = 16044639272239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604463927245 + ... + 1604463927254.

It is an arithmetic number, because the mean of its divisors is an integer number (4813391781750).

Almost surely, 2^{16044639272495} is an apocalyptic number.

16044639272495 is a deficient number, since it is larger than the sum of its proper divisors (3208927854505).

16044639272495 is an equidigital number, since it uses as much as digits as its factorization.

16044639272495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208927854504.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 16044639272495 in words is "sixteen trillion, forty-four billion, six hundred thirty-nine million, two hundred seventy-two thousand, four hundred ninety-five".