1156650768 has 240 divisors, whose sum is σ = 4052129536. Its totient is φ = 299842560.

The previous prime is 1156650751. The next prime is 1156650787. The reversal of 1156650768 is 8670566511.

1156650768 is a `hidden beast` number, since 11 + 566 + 5 + 0 + 76 + 8 = 666.

It is a super-2 number, since 2×1156650768² = 2675681998229979648, which contains 22 as substring.

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, 798621 + ... + 800067.

Almost surely, 2^1156650768 is an apocalyptic number.

1156650768 is a gapful number since it is divisible by the number (18) 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 1156650768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026064768).

1156650768 is an abundant number, since it is smaller than the sum of its proper divisors (2895478768).

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

1156650768 is a wasteful number, since it uses less digits than its factorization.

1156650768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1156650768 is about 34009.5687711562. The cubic root of 1156650768 is about 1049.7053649508.

The spelling of 1156650768 in words is "one billion, one hundred fifty-six million, six hundred fifty thousand, seven hundred sixty-eight".