12164614447531 has 8 divisors (see below), whose sum is σ = 14971833166304. Its totient is φ = 9624749892480.

The previous prime is 12164614447523. The next prime is 12164614447543. The reversal of 12164614447531 is 13574441646121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12164614447531 - 2³ = 12164614447523 is a prime.

It is a super-2 number, since 2×12164614447531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12164614441531) 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, 66838540830 + ... + 66838541011.

It is an arithmetic number, because the mean of its divisors is an integer number (1871479145788).

Almost surely, 2^{12164614447531} is an apocalyptic number.

12164614447531 is a deficient number, since it is larger than the sum of its proper divisors (2807218718773).

12164614447531 is a wasteful number, since it uses less digits than its factorization.

12164614447531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133677081861.

The product of its digits is 1935360, while the sum is 49.

The spelling of 12164614447531 in words is "twelve trillion, one hundred sixty-four billion, six hundred fourteen million, four hundred forty-seven thousand, five hundred thirty-one".