1629113906 has 16 divisors (see below), whose sum is σ = 2852188416. Its totient is φ = 683336256.

The previous prime is 1629113887. The next prime is 1629113921. The reversal of 1629113906 is 6093119261.

It is a self number, because there is not a number n which added to its sum of digits gives 1629113906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237271 + ... + 1238586.

It is an arithmetic number, because the mean of its divisors is an integer number (178261776).

Almost surely, 2^1629113906 is an apocalyptic number.

1629113906 is a deficient number, since it is larger than the sum of its proper divisors (1223074510).

1629113906 is a wasteful number, since it uses less digits than its factorization.

1629113906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475913.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1629113906 is about 40362.2832109384. The cubic root of 1629113906 is about 1176.6586277952.

The spelling of 1629113906 in words is "one billion, six hundred twenty-nine million, one hundred thirteen thousand, nine hundred six".