1151768688 has 80 divisors (see below), whose sum is σ = 3435613440. Its totient is φ = 325675008.

The previous prime is 1151768647. The next prime is 1151768693. The reversal of 1151768688 is 8868671511.

It is a super-2 number, since 2×1151768688² = 2653142221314482688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1151768688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14923 + ... + 50261.

It is an arithmetic number, because the mean of its divisors is an integer number (42945168).

Almost surely, 2^1151768688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151768688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717806720).

1151768688 is an abundant number, since it is smaller than the sum of its proper divisors (2283844752).

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

1151768688 is a wasteful number, since it uses less digits than its factorization.

1151768688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35454 (or 35448 counting only the distinct ones).

The product of its digits is 645120, while the sum is 51.

The square root of 1151768688 is about 33937.7177783068. The cubic root of 1151768688 is about 1048.2263899160.

The spelling of 1151768688 in words is "one billion, one hundred fifty-one million, seven hundred sixty-eight thousand, six hundred eighty-eight".