16340953 has 8 divisors (see below), whose sum is σ = 16596360. Its totient is φ = 16087680.

The previous prime is 16340899. The next prime is 16340983. The reversal of 16340953 is 35904361.

It can be written as a sum of positive squares in 4 ways, for example, as 3069504 + 13271449 = 1752^2 + 3643^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16340953 - 2¹⁷ = 16209881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16340983) 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, 21093 + ... + 21853.

It is an arithmetic number, because the mean of its divisors is an integer number (2074545).

Almost surely, 2^16340953 is an apocalyptic number.

It is an amenable number.

16340953 is a deficient number, since it is larger than the sum of its proper divisors (255407).

16340953 is a wasteful number, since it uses less digits than its factorization.

16340953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 16340953 is about 4042.3944636811. The cubic root of 16340953 is about 253.7615355478.

The spelling of 16340953 in words is "sixteen million, three hundred forty thousand, nine hundred fifty-three".