1162051660 has 216 divisors, whose sum is σ = 3298491504. Its totient is φ = 339978240.

The previous prime is 1162051601. The next prime is 1162051661. The reversal of 1162051660 is 661502611.

It is a Harshad number since it is a multiple of its sum of digits (28).

1162051660 is a modest number, since divided by 51660 gives 11620 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1162051661) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3115234 + ... + 3115606.

It is an arithmetic number, because the mean of its divisors is an integer number (15270794).

Almost surely, 2^1162051660 is an apocalyptic number.

1162051660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1162051660 is the 21560-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162051660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649245752).

1162051660 is an abundant number, since it is smaller than the sum of its proper divisors (2136439844).

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

1162051660 is a wasteful number, since it uses less digits than its factorization.

1162051660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1162051660 is about 34088.8788316659. The cubic root of 1162051660 is about 1051.3366680469.

The spelling of 1162051660 in words is "one billion, one hundred sixty-two million, fifty-one thousand, six hundred sixty".