155616606 has 64 divisors (see below), whose sum is σ = 368064000. Its totient is φ = 48567168.

The previous prime is 155616599. The next prime is 155616611. The reversal of 155616606 is 606616551.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 259495 + ... + 260093.

It is an arithmetic number, because the mean of its divisors is an integer number (5751000).

Almost surely, 2^155616606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155616606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184032000).

155616606 is an abundant number, since it is smaller than the sum of its proper divisors (212447394).

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

155616606 is a wasteful number, since it uses less digits than its factorization.

155616606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 155616606 is about 12474.6385117966. The cubic root of 155616606 is about 537.8798969982.

The spelling of 155616606 in words is "one hundred fifty-five million, six hundred sixteen thousand, six hundred six".