1238160672 has 72 divisors (see below), whose sum is σ = 4024028736. Its totient is φ = 353759616.

The previous prime is 1238160667. The next prime is 1238160683. The reversal of 1238160672 is 2760618321.

1238160672 is a `hidden beast` number, since 12 + 38 + 1 + 606 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 305068 + ... + 309099.

It is an arithmetic number, because the mean of its divisors is an integer number (55889288).

Almost surely, 2^1238160672 is an apocalyptic number.

1238160672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238160672 is an abundant number, since it is smaller than the sum of its proper divisors (2785868064).

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

1238160672 is a wasteful number, since it uses less digits than its factorization.

1238160672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614190 (or 614179 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1238160672 is about 35187.5073285960. The cubic root of 1238160672 is about 1073.8056096690.

Adding to 1238160672 its reverse (2760618321), we get a palindrome (3998778993).

The spelling of 1238160672 in words is "one billion, two hundred thirty-eight million, one hundred sixty thousand, six hundred seventy-two".