155560424646 has 64 divisors (see below), whose sum is σ = 354728263680. Its totient is φ = 45044751360.

The previous prime is 155560424627. The next prime is 155560424647. The reversal of 155560424646 is 646424065551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155560424595 and 155560424604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155560424647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233286 + ... + 604601.

It is an arithmetic number, because the mean of its divisors is an integer number (5542629120).

Almost surely, 2^155560424646 is an apocalyptic number.

155560424646 is an abundant number, since it is smaller than the sum of its proper divisors (199167839034).

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

155560424646 is a wasteful number, since it uses less digits than its factorization.

155560424646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838029.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 155560424646 in words is "one hundred fifty-five billion, five hundred sixty million, four hundred twenty-four thousand, six hundred forty-six".