16400743007 has 8 divisors (see below), whose sum is σ = 17892790272. Its totient is φ = 14908874200.

The previous prime is 16400743001. The next prime is 16400743031. The reversal of 16400743007 is 70034700461.

It is a happy number.

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

It is not a de Polignac number, because 16400743007 - 2¹⁶ = 16400677471 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 (16400743001) 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, 211508 + ... + 278454.

It is an arithmetic number, because the mean of its divisors is an integer number (2236598784).

Almost surely, 2^16400743007 is an apocalyptic number.

16400743007 is a deficient number, since it is larger than the sum of its proper divisors (1492047265).

16400743007 is a wasteful number, since it uses less digits than its factorization.

16400743007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89229.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 16400743007 in words is "sixteen billion, four hundred million, seven hundred forty-three thousand, seven".