155473598775648 has 96 divisors (see below), whose sum is σ = 440076104576640. Its totient is φ = 47899439907840.

The previous prime is 155473598775647. The next prime is 155473598775721. The reversal of 155473598775648 is 846577895374551.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155473598775641) 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, 1039409590 + ... + 1039559157.

It is an arithmetic number, because the mean of its divisors is an integer number (4584126089340).

Almost surely, 2^{155473598775648} is an apocalyptic number.

It is an amenable number.

155473598775648 is an abundant number, since it is smaller than the sum of its proper divisors (284602505800992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155473598775648 is a wasteful number, since it uses less digits than its factorization.

155473598775648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078968820 (or 2078968812 counting only the distinct ones).

The product of its digits is 35562240000, while the sum is 84.

The spelling of 155473598775648 in words is "one hundred fifty-five trillion, four hundred seventy-three billion, five hundred ninety-eight million, seven hundred seventy-five thousand, six hundred forty-eight".