201629000756 has 12 divisors (see below), whose sum is σ = 365018018820. Its totient is φ = 97338138240.

The previous prime is 201629000723. The next prime is 201629000777. The reversal of 201629000756 is 657000926102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79874064400 + 121754936356 = 282620^2 + 348934^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 869090405 + ... + 869090636.

It is an arithmetic number, because the mean of its divisors is an integer number (30418168235).

Almost surely, 2^201629000756 is an apocalyptic number.

It is an amenable number.

201629000756 is a deficient number, since it is larger than the sum of its proper divisors (163389018064).

201629000756 is a wasteful number, since it uses less digits than its factorization.

201629000756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738181074 (or 1738181072 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 201629000756 its reverse (657000926102), we get a palindrome (858629926858).

The spelling of 201629000756 in words is "two hundred one billion, six hundred twenty-nine million, seven hundred fifty-six", and thus it is an aban number.