155502066 has 8 divisors (see below), whose sum is σ = 311004144. Its totient is φ = 51834020.

The previous prime is 155502059. The next prime is 155502073. The reversal of 155502066 is 660205551.

It is an interprime number because it is at equal distance from previous prime (155502059) and next prime (155502073).

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

155502066 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 12958500 + ... + 12958511.

It is an arithmetic number, because the mean of its divisors is an integer number (38875518).

Almost surely, 2^155502066 is an apocalyptic number.

155502066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155502066 is a wasteful number, since it uses less digits than its factorization.

155502066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25917016.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 155502066 is about 12470.0467521177. The cubic root of 155502066 is about 537.7478976213.

The spelling of 155502066 in words is "one hundred fifty-five million, five hundred two thousand, sixty-six".