155426621167 has 16 divisors (see below), whose sum is σ = 161324852832. Its totient is φ = 149624616960.

The previous prime is 155426621059. The next prime is 155426621183. The reversal of 155426621167 is 761126624551.

It is a cyclic number.

It is not a de Polignac number, because 155426621167 - 2¹⁹ = 155426096879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155426021167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585863 + ... + 1681015.

It is an arithmetic number, because the mean of its divisors is an integer number (10082803302).

Almost surely, 2^155426621167 is an apocalyptic number.

155426621167 is a deficient number, since it is larger than the sum of its proper divisors (5898231665).

155426621167 is a wasteful number, since it uses less digits than its factorization.

155426621167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95658.

The product of its digits is 604800, while the sum is 46.

The spelling of 155426621167 in words is "one hundred fifty-five billion, four hundred twenty-six million, six hundred twenty-one thousand, one hundred sixty-seven".