1161627648 has 48 divisors (see below), whose sum is σ = 3096933840. Its totient is φ = 387207168.

The previous prime is 1161627641. The next prime is 1161627721. The reversal of 1161627648 is 8467261611.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1161627641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88390 + ... + 100677.

It is an arithmetic number, because the mean of its divisors is an integer number (64519455).

Almost surely, 2^1161627648 is an apocalyptic number.

It is an amenable number.

1161627648 is an abundant number, since it is smaller than the sum of its proper divisors (1935306192).

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

1161627648 is an equidigital number, since it uses as much as digits as its factorization.

1161627648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189092 (or 189072 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 1161627648 is about 34082.6590511949. The cubic root of 1161627648 is about 1051.2087811355.

The spelling of 1161627648 in words is "one billion, one hundred sixty-one million, six hundred twenty-seven thousand, six hundred forty-eight".