16003723461 has 8 divisors (see below), whose sum is σ = 23278143264. Its totient is φ = 9699226320.

The previous prime is 16003723451. The next prime is 16003723487. The reversal of 16003723461 is 16432730061.

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

It is not a de Polignac number, because 16003723461 - 2⁵ = 16003723429 is a prime.

It is a super-2 number, since 2×16003723461² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 484961317 = 16003723461 / (1 + 6 + 0 + 0 + 3 + 7 + 2 + 3 + 4 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16003723441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242480626 + ... + 242480691.

It is an arithmetic number, because the mean of its divisors is an integer number (2909767908).

Almost surely, 2^16003723461 is an apocalyptic number.

16003723461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16003723461 is a deficient number, since it is larger than the sum of its proper divisors (7274419803).

16003723461 is a wasteful number, since it uses less digits than its factorization.

16003723461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484961331.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 16003723461 in words is "sixteen billion, three million, seven hundred twenty-three thousand, four hundred sixty-one".