1156969968 has 240 divisors, whose sum is σ = 3828933504. Its totient is φ = 297669120.

The previous prime is 1156969963. The next prime is 1156969973. The reversal of 1156969968 is 8699696511.

It is an interprime number because it is at equal distance from previous prime (1156969963) and next prime (1156969973).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156969963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5096671 + ... + 5096897.

Almost surely, 2^1156969968 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 1156969968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914466752).

1156969968 is an abundant number, since it is smaller than the sum of its proper divisors (2671963536).

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

1156969968 is a wasteful number, since it uses less digits than its factorization.

1156969968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 447 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 60.

The square root of 1156969968 is about 34014.2612443663. The cubic root of 1156969968 is about 1049.8019181899.

The spelling of 1156969968 in words is "one billion, one hundred fifty-six million, nine hundred sixty-nine thousand, nine hundred sixty-eight".