1161742472 has 32 divisors (see below), whose sum is σ = 2380946400. Its totient is φ = 527030400.

The previous prime is 1161742429. The next prime is 1161742487. The reversal of 1161742472 is 2742471611.

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 7 ways as a sum of consecutive naturals, for example, 33179 + ... + 58517.

It is an arithmetic number, because the mean of its divisors is an integer number (74404575).

Almost surely, 2^1161742472 is an apocalyptic number.

It is an amenable number.

1161742472 is an abundant number, since it is smaller than the sum of its proper divisors (1219203928).

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

1161742472 is a wasteful number, since it uses less digits than its factorization.

1161742472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25877 (or 25873 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 1161742472 is about 34084.3435025526. The cubic root of 1161742472 is about 1051.2434164509.

The spelling of 1161742472 in words is "one billion, one hundred sixty-one million, seven hundred forty-two thousand, four hundred seventy-two".