43406664133516 has 24 divisors (see below), whose sum is σ = 76355250819120. Its totient is φ = 21591043199232.

The previous prime is 43406664133513. The next prime is 43406664133543. The reversal of 43406664133516 is 61533146660434.

It is not an unprimeable number, because it can be changed into a prime (43406664133513) 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, 19573846 + ... + 21678301.

It is an arithmetic number, because the mean of its divisors is an integer number (3181468784130).

Almost surely, 2^{43406664133516} is an apocalyptic number.

It is an amenable number.

43406664133516 is a deficient number, since it is larger than the sum of its proper divisors (32948586685604).

43406664133516 is a wasteful number, since it uses less digits than its factorization.

43406664133516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41253513 (or 41253511 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 43406664133516 in words is "forty-three trillion, four hundred six billion, six hundred sixty-four million, one hundred thirty-three thousand, five hundred sixteen".