1161050660 has 72 divisors (see below), whose sum is σ = 3062915520. Its totient is φ = 361880640.

The previous prime is 1161050659. The next prime is 1161050731. The reversal of 1161050660 is 660501611.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17330 + ... + 51209.

Almost surely, 2^1161050660 is an apocalyptic number.

1161050660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161050660 is an abundant number, since it is smaller than the sum of its proper divisors (1901864860).

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

1161050660 is a wasteful number, since it uses less digits than its factorization.

1161050660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68577 (or 68564 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1161050660 is about 34074.1934607409. The cubic root of 1161050660 is about 1051.0347049002.

The spelling of 1161050660 in words is "one billion, one hundred sixty-one million, fifty thousand, six hundred sixty".