1161828442 has 16 divisors (see below), whose sum is σ = 1757639520. Its totient is φ = 575960112.

The previous prime is 1161828401. The next prime is 1161828487. The reversal of 1161828442 is 2448281611.

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, 243108 + ... + 247840.

It is an arithmetic number, because the mean of its divisors is an integer number (109852470).

Almost surely, 2^1161828442 is an apocalyptic number.

1161828442 is a deficient number, since it is larger than the sum of its proper divisors (595811078).

1161828442 is a wasteful number, since it uses less digits than its factorization.

1161828442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757.

The product of its digits is 24576, while the sum is 37.

The square root of 1161828442 is about 34085.6046154385. The cubic root of 1161828442 is about 1051.2693468011.

The spelling of 1161828442 in words is "one billion, one hundred sixty-one million, eight hundred twenty-eight thousand, four hundred forty-two".