1162170660 has 192 divisors, whose sum is σ = 3969423360. Its totient is φ = 248002560.

The previous prime is 1162170641. The next prime is 1162170661. The reversal of 1162170660 is 660712611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1162170661) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 991875 + ... + 993045.

It is an arithmetic number, because the mean of its divisors is an integer number (20674080).

Almost surely, 2^1162170660 is an apocalyptic number.

1162170660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162170660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984711680).

1162170660 is an abundant number, since it is smaller than the sum of its proper divisors (2807252700).

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

1162170660 is a wasteful number, since it uses less digits than its factorization.

1162170660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1162170660 is about 34090.6242242644. The cubic root of 1162170660 is about 1051.3725542292.

The spelling of 1162170660 in words is "one billion, one hundred sixty-two million, one hundred seventy thousand, six hundred sixty".