151616851625 has 16 divisors (see below), whose sum is σ = 189315219600. Its totient is φ = 121231052800.

The previous prime is 151616851619. The next prime is 151616851679. The reversal of 151616851625 is 526158616151.

It can be written as a sum of positive squares in 8 ways, for example, as 11072090176 + 140544761449 = 105224^2 + 374893^2 .

It is not a de Polignac number, because 151616851625 - 2⁴ = 151616851609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151616851625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67544 + ... + 554793.

It is an arithmetic number, because the mean of its divisors is an integer number (11832201225).

Almost surely, 2^151616851625 is an apocalyptic number.

It is an amenable number.

151616851625 is a deficient number, since it is larger than the sum of its proper divisors (37698367975).

151616851625 is an equidigital number, since it uses as much as digits as its factorization.

151616851625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624301 (or 624291 counting only the distinct ones).

The product of its digits is 432000, while the sum is 47.

The spelling of 151616851625 in words is "one hundred fifty-one billion, six hundred sixteen million, eight hundred fifty-one thousand, six hundred twenty-five".