11621016207 has 6 divisors (see below), whose sum is σ = 16785912312. Its totient is φ = 7747344132.

The previous prime is 11621016149. The next prime is 11621016217. The reversal of 11621016207 is 70261012611.

It is a happy number.

11621016207 is a `hidden beast` number, since 1 + 1 + 621 + 0 + 16 + 20 + 7 = 666.

11621016207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11621016207 - 2¹⁸ = 11620754063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621016217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 645612003 + ... + 645612020.

It is an arithmetic number, because the mean of its divisors is an integer number (2797652052).

Almost surely, 2^11621016207 is an apocalyptic number.

11621016207 is a deficient number, since it is larger than the sum of its proper divisors (5164896105).

11621016207 is a wasteful number, since it uses less digits than its factorization.

11621016207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291224029 (or 1291224026 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 11621016207 its reverse (70261012611), we get a palindrome (81882028818).

The spelling of 11621016207 in words is "eleven billion, six hundred twenty-one million, sixteen thousand, two hundred seven".