920437664 has 48 divisors (see below), whose sum is σ = 1937452608. Its totient is φ = 428915712.

The previous prime is 920437657. The next prime is 920437673. The reversal of 920437664 is 466734029.

920437664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 47819 + ... + 64245.

It is an arithmetic number, because the mean of its divisors is an integer number (40363596).

Almost surely, 2^920437664 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 920437664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968726304).

920437664 is an abundant number, since it is smaller than the sum of its proper divisors (1017014944).

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

920437664 is a wasteful number, since it uses less digits than its factorization.

920437664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16557 (or 16549 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 920437664 is about 30338.7155957532. The cubic root of 920437664 is about 972.7430289849.

The spelling of 920437664 in words is "nine hundred twenty million, four hundred thirty-seven thousand, six hundred sixty-four".