11701664 has 48 divisors (see below), whose sum is σ = 25909632. Its totient is φ = 5161728.

The previous prime is 11701649. The next prime is 11701673. The reversal of 11701664 is 46610711.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8957 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (539784).

Almost surely, 2^11701664 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 11701664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12954816).

11701664 is an abundant number, since it is smaller than the sum of its proper divisors (14207968).

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

11701664 is a wasteful number, since it uses less digits than its factorization.

11701664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11701664 is about 3420.7695040736. The cubic root of 11701664 is about 227.0296299307.

The spelling of 11701664 in words is "eleven million, seven hundred one thousand, six hundred sixty-four".