1601923628 has 12 divisors (see below), whose sum is σ = 2871741432. Its totient is φ = 781426080.

The previous prime is 1601923627. The next prime is 1601923633. The reversal of 1601923628 is 8263291061.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1601923591 and 1601923600.

It is not an unprimeable number, because it can be changed into a prime (1601923627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4883750 + ... + 4884077.

It is an arithmetic number, because the mean of its divisors is an integer number (239311786).

Almost surely, 2^1601923628 is an apocalyptic number.

It is an amenable number.

1601923628 is a deficient number, since it is larger than the sum of its proper divisors (1269817804).

1601923628 is a wasteful number, since it uses less digits than its factorization.

1601923628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767872 (or 9767870 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1601923628 is about 40024.0381271056. The cubic root of 1601923628 is about 1170.0756344316.

The spelling of 1601923628 in words is "one billion, six hundred one million, nine hundred twenty-three thousand, six hundred twenty-eight".