531664154112 has 320 divisors, whose sum is σ = 1760217338880. Its totient is φ = 138854006784.

The previous prime is 531664154071. The next prime is 531664154117. The reversal of 531664154112 is 211451466135.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531664154117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14378464 + ... + 14415392.

It is an arithmetic number, because the mean of its divisors is an integer number (5500679184).

Almost surely, 2^531664154112 is an apocalyptic number.

531664154112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531664154112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880108669440).

531664154112 is an abundant number, since it is smaller than the sum of its proper divisors (1228553184768).

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

531664154112 is a wasteful number, since it uses less digits than its factorization.

531664154112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37073 (or 37057 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The spelling of 531664154112 in words is "five hundred thirty-one billion, six hundred sixty-four million, one hundred fifty-four thousand, one hundred twelve".