16634212054 has 8 divisors (see below), whose sum is σ = 26419042728. Its totient is φ = 7827864480.

The previous prime is 16634212031. The next prime is 16634212057. The reversal of 16634212054 is 45021243661.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 489241531 = 16634212054 / (1 + 6 + 6 + 3 + 4 + 2 + 1 + 2 + 0 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16634212057) 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, 244620732 + ... + 244620799.

It is an arithmetic number, because the mean of its divisors is an integer number (3302380341).

Almost surely, 2^16634212054 is an apocalyptic number.

16634212054 is a deficient number, since it is larger than the sum of its proper divisors (9784830674).

16634212054 is a wasteful number, since it uses less digits than its factorization.

16634212054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489241550.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 16634212054 in words is "sixteen billion, six hundred thirty-four million, two hundred twelve thousand, fifty-four".