151516833381 has 24 divisors (see below), whose sum is σ = 223115472216. Its totient is φ = 99048268800.

The previous prime is 151516833359. The next prime is 151516833389. The reversal of 151516833381 is 183338615151.

151516833381 is a `hidden beast` number, since 1 + 51 + 516 + 8 + 3 + 3 + 3 + 81 = 666.

151516833381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39415749156 + 112101084225 = 198534^2 + 334815^2 .

It is not a de Polignac number, because 151516833381 - 2⁷ = 151516833253 is a prime.

It is a super-2 number, since 2×151516833381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151516833389) 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 23 ways as a sum of consecutive naturals, for example, 745581 + ... + 926781.

It is an arithmetic number, because the mean of its divisors is an integer number (9296478009).

Almost surely, 2^151516833381 is an apocalyptic number.

It is an amenable number.

151516833381 is a deficient number, since it is larger than the sum of its proper divisors (71598638835).

151516833381 is a wasteful number, since it uses less digits than its factorization.

151516833381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183013 (or 183010 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 151516833381 in words is "one hundred fifty-one billion, five hundred sixteen million, eight hundred thirty-three thousand, three hundred eighty-one".