16066734477 has 8 divisors (see below), whose sum is σ = 21470025600. Its totient is φ = 10687299840.

The previous prime is 16066734451. The next prime is 16066734487. The reversal of 16066734477 is 77443766061.

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

It is not a de Polignac number, because 16066734477 - 2⁶ = 16066734413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066734487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5962549 + ... + 5965242.

It is an arithmetic number, because the mean of its divisors is an integer number (2683753200).

Almost surely, 2^16066734477 is an apocalyptic number.

It is an amenable number.

16066734477 is a deficient number, since it is larger than the sum of its proper divisors (5403291123).

16066734477 is a wasteful number, since it uses less digits than its factorization.

16066734477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928243.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 16066734477 in words is "sixteen billion, sixty-six million, seven hundred thirty-four thousand, four hundred seventy-seven".