1149266160 has 240 divisors, whose sum is σ = 4514425344. Its totient is φ = 256531968.

The previous prime is 1149266159. The next prime is 1149266189. The reversal of 1149266160 is 616629411.

1149266160 is a `hidden beast` number, since 1 + 1 + 492 + 6 + 6 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1149266160² = 2641625413042291200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214069 + ... + 219371.

Almost surely, 2^1149266160 is an apocalyptic number.

1149266160 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 1149266160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257212672).

1149266160 is an abundant number, since it is smaller than the sum of its proper divisors (3365159184).

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

1149266160 is a wasteful number, since it uses less digits than its factorization.

1149266160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372 (or 5363 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1149266160 is about 33900.8283084647. The cubic root of 1149266160 is about 1047.4666545929.

The spelling of 1149266160 in words is "one billion, one hundred forty-nine million, two hundred sixty-six thousand, one hundred sixty".