1601970268 has 12 divisors (see below), whose sum is σ = 2845290952. Its totient is φ = 789030000.

The previous prime is 1601970259. The next prime is 1601970269. The reversal of 1601970268 is 8620791061.

It is a super-3 number, since 3×1601970268³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1601970268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601970269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988483 + ... + 2989018.

Almost surely, 2^1601970268 is an apocalyptic number.

It is an amenable number.

1601970268 is a deficient number, since it is larger than the sum of its proper divisors (1243320684).

1601970268 is a wasteful number, since it uses less digits than its factorization.

1601970268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977572 (or 5977570 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1601970268 is about 40024.6207727194. The cubic root of 1601970268 is about 1170.0869899039.

The spelling of 1601970268 in words is "one billion, six hundred one million, nine hundred seventy thousand, two hundred sixty-eight".