1629614668 has 24 divisors (see below), whose sum is σ = 3130182720. Its totient is φ = 736186320.

The previous prime is 1629614663. The next prime is 1629614671. The reversal of 1629614668 is 8664169261.

It is not an unprimeable number, because it can be changed into a prime (1629614663) by changing a digit.

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, 106438 + ... + 120781.

It is an arithmetic number, because the mean of its divisors is an integer number (130424280).

Almost surely, 2^1629614668 is an apocalyptic number.

It is an amenable number.

1629614668 is a deficient number, since it is larger than the sum of its proper divisors (1500568052).

1629614668 is a wasteful number, since it uses less digits than its factorization.

1629614668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227397 (or 227395 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 1629614668 is about 40368.4860751552. The cubic root of 1629614668 is about 1176.7791770834.

The spelling of 1629614668 in words is "one billion, six hundred twenty-nine million, six hundred fourteen thousand, six hundred sixty-eight".