155666002 has 8 divisors (see below), whose sum is σ = 236312496. Its totient is φ = 76895172.

The previous prime is 155665999. The next prime is 155666011. The reversal of 155666002 is 200666551.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468708 + ... + 469039.

It is an arithmetic number, because the mean of its divisors is an integer number (29539062).

Almost surely, 2^155666002 is an apocalyptic number.

155666002 is a deficient number, since it is larger than the sum of its proper divisors (80646494).

155666002 is an equidigital number, since it uses as much as digits as its factorization.

155666002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937832.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 155666002 is about 12476.6182116790. The cubic root of 155666002 is about 537.9368024604.

The spelling of 155666002 in words is "one hundred fifty-five million, six hundred sixty-six thousand, two".