16938553862477 has 16 divisors (see below), whose sum is σ = 18253171238400. Its totient is φ = 15625603963200.

The previous prime is 16938553862471. The next prime is 16938553862507. The reversal of 16938553862477 is 77426835583961.

It is a cyclic number.

It is not a de Polignac number, because 16938553862477 - 2⁶ = 16938553862413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16938553862471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146240327 + ... + 146356107.

It is an arithmetic number, because the mean of its divisors is an integer number (1140823202400).

Almost surely, 2^{16938553862477} is an apocalyptic number.

It is an amenable number.

16938553862477 is a deficient number, since it is larger than the sum of its proper divisors (1314617375923).

16938553862477 is a wasteful number, since it uses less digits than its factorization.

16938553862477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122884.

The product of its digits is 1828915200, while the sum is 74.

The spelling of 16938553862477 in words is "sixteen trillion, nine hundred thirty-eight billion, five hundred fifty-three million, eight hundred sixty-two thousand, four hundred seventy-seven".