155620463426 has 16 divisors (see below), whose sum is σ = 234458262720. Its totient is φ = 77468389680.

The previous prime is 155620463417. The next prime is 155620463441. The reversal of 155620463426 is 624364026551.

It is a happy number.

155620463426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 289115 + ... + 628353.

It is an arithmetic number, because the mean of its divisors is an integer number (14653641420).

Almost surely, 2^155620463426 is an apocalyptic number.

155620463426 is a deficient number, since it is larger than the sum of its proper divisors (78837799294).

155620463426 is a wasteful number, since it uses less digits than its factorization.

155620463426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340249.

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 155620463426 its reverse (624364026551), we get a palindrome (779984489977).

The spelling of 155620463426 in words is "one hundred fifty-five billion, six hundred twenty million, four hundred sixty-three thousand, four hundred twenty-six".