16403006213 has 4 divisors (see below), whose sum is σ = 17894188608. Its totient is φ = 14911823820.

The previous prime is 16403006197. The next prime is 16403006219. The reversal of 16403006213 is 31260030461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31260030461 = 11 ⋅2841820951.

It is a cyclic number.

It is not a de Polignac number, because 16403006213 - 2⁴ = 16403006197 is a prime.

It is a super-2 number, since 2×16403006213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16403006219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745591181 + ... + 745591202.

It is an arithmetic number, because the mean of its divisors is an integer number (4473547152).

Almost surely, 2^16403006213 is an apocalyptic number.

It is an amenable number.

16403006213 is a deficient number, since it is larger than the sum of its proper divisors (1491182395).

16403006213 is a wasteful number, since it uses less digits than its factorization.

16403006213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491182394.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 16403006213 its reverse (31260030461), we get a palindrome (47663036674).

The spelling of 16403006213 in words is "sixteen billion, four hundred three million, six thousand, two hundred thirteen".