16764236673 has 16 divisors (see below), whose sum is σ = 23731672320. Its totient is φ = 10490063616.

The previous prime is 16764236669. The next prime is 16764236681. The reversal of 16764236673 is 37663246761.

It is not a de Polignac number, because 16764236673 - 2² = 16764236669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (16764236773) 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, 429118 + ... + 466551.

It is an arithmetic number, because the mean of its divisors is an integer number (1483229520).

Almost surely, 2^16764236673 is an apocalyptic number.

It is an amenable number.

16764236673 is a deficient number, since it is larger than the sum of its proper divisors (6967435647).

16764236673 is a wasteful number, since it uses less digits than its factorization.

16764236673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896056.

The product of its digits is 4572288, while the sum is 51.

The spelling of 16764236673 in words is "sixteen billion, seven hundred sixty-four million, two hundred thirty-six thousand, six hundred seventy-three".