1161057908 has 24 divisors (see below), whose sum is σ = 2155551552. Its totient is φ = 545318784.

The previous prime is 1161057907. The next prime is 1161057929. The reversal of 1161057908 is 8097501611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161057907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19241 + ... + 51887.

It is an arithmetic number, because the mean of its divisors is an integer number (89814648).

Almost surely, 2^1161057908 is an apocalyptic number.

It is an amenable number.

1161057908 is a deficient number, since it is larger than the sum of its proper divisors (994493644).

1161057908 is a wasteful number, since it uses less digits than its factorization.

1161057908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33191 (or 33189 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 38.

The square root of 1161057908 is about 34074.2998167240. The cubic root of 1161057908 is about 1051.0368919663.

The spelling of 1161057908 in words is "one billion, one hundred sixty-one million, fifty-seven thousand, nine hundred eight".