1161851088 has 40 divisors (see below), whose sum is σ = 3003156000. Its totient is φ = 387063424.

The previous prime is 1161851057. The next prime is 1161851101. The reversal of 1161851088 is 8801581611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93463 + ... + 105161.

It is an arithmetic number, because the mean of its divisors is an integer number (75078900).

Almost surely, 2^1161851088 is an apocalyptic number.

It is an amenable number.

1161851088 is an abundant number, since it is smaller than the sum of its proper divisors (1841304912).

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

1161851088 is a wasteful number, since it uses less digits than its factorization.

1161851088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13779 (or 13773 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 39.

The square root of 1161851088 is about 34085.9368068416. The cubic root of 1161851088 is about 1051.2761770955.

The spelling of 1161851088 in words is "one billion, one hundred sixty-one million, eight hundred fifty-one thousand, eighty-eight".