16343261001 has 16 divisors (see below), whose sum is σ = 24312713920. Its totient is φ = 10850293440.

The previous prime is 16343260993. The next prime is 16343261017. The reversal of 16343261001 is 10016234361.

16343261001 is a `hidden beast` number, since 1 + 6 + 3 + 43 + 2 + 610 + 0 + 1 = 666.

It is not a de Polignac number, because 16343261001 - 2³ = 16343260993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16343261071) 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, 1249315 + ... + 1262328.

It is an arithmetic number, because the mean of its divisors is an integer number (1519544620).

Almost surely, 2^16343261001 is an apocalyptic number.

It is an amenable number.

16343261001 is a deficient number, since it is larger than the sum of its proper divisors (7969452919).

16343261001 is a wasteful number, since it uses less digits than its factorization.

16343261001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511893 (or 2511887 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 16343261001 its reverse (10016234361), we get a palindrome (26359495362).

The spelling of 16343261001 in words is "sixteen billion, three hundred forty-three million, two hundred sixty-one thousand, one".