906614609922 has 90 divisors (see below), whose sum is σ = 2363380995987. Its totient is φ = 259008507576.

The previous prime is 906614609921. The next prime is 906614609963. The reversal of 906614609922 is 229906416609.

It is a happy number.

906614609922 is a `hidden beast` number, since 9 + 0 + 6 + 6 + 1 + 4 + 609 + 9 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 453307304961 + 453307304961 = 673281^2 + 673281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=673281.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (906614609921) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 84828063 + ... + 84838749.

Almost surely, 2^906614609922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 906614609922

906614609922 is an abundant number, since it is smaller than the sum of its proper divisors (1456766386065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

906614609922 is an frugal number, since it uses more digits than its factorization.

906614609922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21402 (or 10699 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 906614609922 in words is "nine hundred six billion, six hundred fourteen million, six hundred nine thousand, nine hundred twenty-two".