151665055 has 4 divisors (see below), whose sum is σ = 181998072. Its totient is φ = 121332040.

The previous prime is 151665001. The next prime is 151665067. The reversal of 151665055 is 550566151.

151665055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-151665055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151665055.

It is a congruent number.

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, 15166501 + ... + 15166510.

It is an arithmetic number, because the mean of its divisors is an integer number (45499518).

Almost surely, 2^151665055 is an apocalyptic number.

151665055 is a deficient number, since it is larger than the sum of its proper divisors (30333017).

151665055 is an equidigital number, since it uses as much as digits as its factorization.

151665055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30333016.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 151665055 is about 12315.2367009327. The cubic root of 151665055 is about 533.2880380369.

The spelling of 151665055 in words is "one hundred fifty-one million, six hundred sixty-five thousand, fifty-five".