1137067668 has 72 divisors (see below), whose sum is σ = 3158588160. Its totient is φ = 342034560.

The previous prime is 1137067667. The next prime is 1137067691. The reversal of 1137067668 is 8667607311.

It is a super-2 number, since 2×1137067668² = 2585845763221916448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137067667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43773 + ... + 64731.

It is an arithmetic number, because the mean of its divisors is an integer number (43869280).

Almost surely, 2^1137067668 is an apocalyptic number.

1137067668 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 1137067668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579294080).

1137067668 is an abundant number, since it is smaller than the sum of its proper divisors (2021520492).

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

1137067668 is a wasteful number, since it uses less digits than its factorization.

1137067668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117 (or 21112 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1137067668 is about 33720.4339829724. The cubic root of 1137067668 is about 1043.7474727227.

The spelling of 1137067668 in words is "one billion, one hundred thirty-seven million, sixty-seven thousand, six hundred sixty-eight".