43601401026164 has 24 divisors (see below), whose sum is σ = 76531861176960. Its totient is φ = 21735176373504.

The previous prime is 43601401026151. The next prime is 43601401026173. The reversal of 43601401026164 is 46162010410634.

It is a super-2 number, since 2×43601401026164² (a number of 28 digits) contains 22 as substring.

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, 5488277 + ... + 10831619.

It is an arithmetic number, because the mean of its divisors is an integer number (3188827549040).

Almost surely, 2^{43601401026164} is an apocalyptic number.

It is an amenable number.

43601401026164 is a deficient number, since it is larger than the sum of its proper divisors (32930460150796).

43601401026164 is a wasteful number, since it uses less digits than its factorization.

43601401026164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349479 (or 5349477 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 43601401026164 its reverse (46162010410634), we get a palindrome (89763411436798).

The spelling of 43601401026164 in words is "forty-three trillion, six hundred one billion, four hundred one million, twenty-six thousand, one hundred sixty-four".