1606267272 has 16 divisors (see below), whose sum is σ = 4015668240. Its totient is φ = 535422416.

The previous prime is 1606267249. The next prime is 1606267301. The reversal of 1606267272 is 2727626061.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1606267272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33463878 + ... + 33463925.

It is an arithmetic number, because the mean of its divisors is an integer number (250979265).

Almost surely, 2^1606267272 is an apocalyptic number.

1606267272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1606267272 is an abundant number, since it is smaller than the sum of its proper divisors (2409400968).

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

1606267272 is a wasteful number, since it uses less digits than its factorization.

1606267272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66927812 (or 66927808 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1606267272 is about 40078.2643336759. The cubic root of 1606267272 is about 1171.1322402029.

The spelling of 1606267272 in words is "one billion, six hundred six million, two hundred sixty-seven thousand, two hundred seventy-two".