16044639272494 has 24 divisors (see below), whose sum is σ = 28004849324280. Its totient is φ = 6874163903376.

The previous prime is 16044639272461. The next prime is 16044639272591. The reversal of 16044639272494 is 49427293644061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24798877 + ... + 25437640.

It is an arithmetic number, because the mean of its divisors is an integer number (1166868721845).

Almost surely, 2^{16044639272494} is an apocalyptic number.

16044639272494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16044639272494 is a deficient number, since it is larger than the sum of its proper divisors (11960210051786).

16044639272494 is a wasteful number, since it uses less digits than its factorization.

16044639272494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50239792 (or 50239785 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 61.

The spelling of 16044639272494 in words is "sixteen trillion, forty-four billion, six hundred thirty-nine million, two hundred seventy-two thousand, four hundred ninety-four".