151618544761 has 4 divisors (see below), whose sum is σ = 151620477300. Its totient is φ = 151616612224.

The previous prime is 151618544741. The next prime is 151618544783. The reversal of 151618544761 is 167445816151.

151618544761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79354890000 + 72263654761 = 281700^2 + 268819^2 .

It is a cyclic number.

It is not a de Polignac number, because 151618544761 - 2¹⁹ = 151618020473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151618544711) 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 3 ways as a sum of consecutive naturals, for example, 843376 + ... + 1007233.

It is an arithmetic number, because the mean of its divisors is an integer number (37905119325).

Almost surely, 2^151618544761 is an apocalyptic number.

It is an amenable number.

151618544761 is a deficient number, since it is larger than the sum of its proper divisors (1932539).

151618544761 is an equidigital number, since it uses as much as digits as its factorization.

151618544761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932538.

The product of its digits is 806400, while the sum is 49.

The spelling of 151618544761 in words is "one hundred fifty-one billion, six hundred eighteen million, five hundred forty-four thousand, seven hundred sixty-one".