155516606002 has 12 divisors (see below), whose sum is σ = 237295745406. Its totient is φ = 76440362240.

The previous prime is 155516605967. The next prime is 155516606009. The reversal of 155516606002 is 200606615551.

It can be written as a sum of positive squares in only one way, i.e., 90221536161 + 65295069841 = 300369^2 + 255529^2 .

It is not an unprimeable number, because it can be changed into a prime (155516606009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11161999 + ... + 11175922.

Almost surely, 2^155516606002 is an apocalyptic number.

155516606002 is a deficient number, since it is larger than the sum of its proper divisors (81779139404).

155516606002 is an equidigital number, since it uses as much as digits as its factorization.

155516606002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338041 (or 22337982 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 155516606002 in words is "one hundred fifty-five billion, five hundred sixteen million, six hundred six thousand, two".