155163661345 has 64 divisors (see below), whose sum is σ = 238365130752. Its totient is φ = 94143168000.

The previous prime is 155163661337. The next prime is 155163661379. The reversal of 155163661345 is 543166361551.

It is not a de Polignac number, because 155163661345 - 2³ = 155163661337 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 155163661295 and 155163661304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6791932 + ... + 6814738.

It is an arithmetic number, because the mean of its divisors is an integer number (3724455168).

Almost surely, 2^155163661345 is an apocalyptic number.

It is an amenable number.

155163661345 is a deficient number, since it is larger than the sum of its proper divisors (83201469407).

155163661345 is a wasteful number, since it uses less digits than its factorization.

155163661345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23302.

The product of its digits is 972000, while the sum is 46.

The spelling of 155163661345 in words is "one hundred fifty-five billion, one hundred sixty-three million, six hundred sixty-one thousand, three hundred forty-five".