155163641 has 8 divisors (see below), whose sum is σ = 164726784. Its totient is φ = 145648960.

The previous prime is 155163637. The next prime is 155163643. The reversal of 155163641 is 146361551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155163641 - 2² = 155163637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155163598 and 155163607.

It is not an unprimeable number, because it can be changed into a prime (155163643) by changing a digit.

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, 5405 + ... + 18426.

It is an arithmetic number, because the mean of its divisors is an integer number (20590848).

Almost surely, 2^155163641 is an apocalyptic number.

It is an amenable number.

155163641 is a deficient number, since it is larger than the sum of its proper divisors (9563143).

155163641 is a wasteful number, since it uses less digits than its factorization.

155163641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231.

The product of its digits is 10800, while the sum is 32.

The square root of 155163641 is about 12456.4698450243. The cubic root of 155163641 is about 537.3575072795.

The spelling of 155163641 in words is "one hundred fifty-five million, one hundred sixty-three thousand, six hundred forty-one".