1606969272 has 32 divisors (see below), whose sum is σ = 4077388800. Its totient is φ = 527661024.

The previous prime is 1606969249. The next prime is 1606969283. The reversal of 1606969272 is 2729696061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498072 + ... + 501287.

It is an arithmetic number, because the mean of its divisors is an integer number (127418400).

Almost surely, 2^1606969272 is an apocalyptic number.

1606969272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1606969272 is an abundant number, since it is smaller than the sum of its proper divisors (2470419528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606969272 is a wasteful number, since it uses less digits than its factorization.

1606969272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999435 (or 999431 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1606969272 is about 40087.0212412945. The cubic root of 1606969272 is about 1171.3028251585.

The spelling of 1606969272 in words is "one billion, six hundred six million, nine hundred sixty-nine thousand, two hundred seventy-two".