1161066650 has 48 divisors (see below), whose sum is σ = 2215867104. Its totient is φ = 452383680.

The previous prime is 1161066631. The next prime is 1161066661. The reversal of 1161066650 is 566601611.

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, 1403537 + ... + 1404363.

It is an arithmetic number, because the mean of its divisors is an integer number (46163898).

Almost surely, 2^1161066650 is an apocalyptic number.

1161066650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161066650 is a deficient number, since it is larger than the sum of its proper divisors (1054800454).

1161066650 is a wasteful number, since it uses less digits than its factorization.

1161066650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1161066650 is about 34074.4280949806. The cubic root of 1161066650 is about 1051.0395298311.

The spelling of 1161066650 in words is "one billion, one hundred sixty-one million, sixty-six thousand, six hundred fifty".