516145621231 has 8 divisors (see below), whose sum is σ = 538710664464. Its totient is φ = 494055631680.

The previous prime is 516145621213. The next prime is 516145621253. The reversal of 516145621231 is 132126541615.

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 516145621231 - 2¹⁵ = 516145588463 is a prime.

It is a super-3 number, since 3×516145621231³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516145621291) 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, 118761201 + ... + 118765546.

It is an arithmetic number, because the mean of its divisors is an integer number (67338833058).

Almost surely, 2^516145621231 is an apocalyptic number.

516145621231 is a deficient number, since it is larger than the sum of its proper divisors (22565043233).

516145621231 is a wasteful number, since it uses less digits than its factorization.

516145621231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237526841.

The product of its digits is 43200, while the sum is 37.

The spelling of 516145621231 in words is "five hundred sixteen billion, one hundred forty-five million, six hundred twenty-one thousand, two hundred thirty-one".