531680146154 has 8 divisors (see below), whose sum is σ = 804836918820. Its totient is φ = 263401173216.

The previous prime is 531680146141. The next prime is 531680146177. The reversal of 531680146154 is 451641086135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 488552071225 + 43128074929 = 698965^2 + 207673^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219449659 + ... + 1219450094.

Almost surely, 2^531680146154 is an apocalyptic number.

531680146154 is a deficient number, since it is larger than the sum of its proper divisors (273156772666).

531680146154 is a wasteful number, since it uses less digits than its factorization.

531680146154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438899864.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 531680146154 in words is "five hundred thirty-one billion, six hundred eighty million, one hundred forty-six thousand, one hundred fifty-four".