1167664 has 40 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 525888.

The previous prime is 1167659. The next prime is 1167667. The reversal of 1167664 is 4667611.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1167667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6909 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2^1167664 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 1167664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249920).

1167664 is an abundant number, since it is smaller than the sum of its proper divisors (1332176).

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

1167664 is a wasteful number, since it uses less digits than its factorization.

1167664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 1167664 is about 1080.5850267332. The cubic root of 1167664 is about 105.3026491122.

The spelling of 1167664 in words is "one million, one hundred sixty-seven thousand, six hundred sixty-four".