1161925064 has 16 divisors (see below), whose sum is σ = 2181809520. Its totient is φ = 580109200.

The previous prime is 1161925033. The next prime is 1161925081. The reversal of 1161925064 is 4605291611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100862 + ... + 111789.

It is an arithmetic number, because the mean of its divisors is an integer number (136363095).

Almost surely, 2^1161925064 is an apocalyptic number.

It is an amenable number.

1161925064 is a deficient number, since it is larger than the sum of its proper divisors (1019884456).

1161925064 is a wasteful number, since it uses less digits than its factorization.

1161925064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213340 (or 213336 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1161925064 is about 34087.0219291742. The cubic root of 1161925064 is about 1051.2984884906.

The spelling of 1161925064 in words is "one billion, one hundred sixty-one million, nine hundred twenty-five thousand, sixty-four".