534155664 has 120 divisors (see below), whose sum is σ = 1689817440. Its totient is φ = 144571392.

The previous prime is 534155653. The next prime is 534155681. The reversal of 534155664 is 466551435.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38712 + ... + 50664.

It is an arithmetic number, because the mean of its divisors is an integer number (14081812).

Almost surely, 2^534155664 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 534155664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844908720).

534155664 is an abundant number, since it is smaller than the sum of its proper divisors (1155661776).

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

534155664 is a wasteful number, since it uses less digits than its factorization.

534155664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11997 (or 11984 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 534155664 is about 23111.8078912057. The cubic root of 534155664 is about 811.3768504786.

The spelling of 534155664 in words is "five hundred thirty-four million, one hundred fifty-five thousand, six hundred sixty-four".