50166618 has 16 divisors (see below), whose sum is σ = 103570176. Its totient is φ = 16182720.

The previous prime is 50166601. The next prime is 50166619. The reversal of 50166618 is 81666105.

It is not an unprimeable number, because it can be changed into a prime (50166619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134671 + ... + 135042.

It is an arithmetic number, because the mean of its divisors is an integer number (6473136).

Almost surely, 2^50166618 is an apocalyptic number.

50166618 is an abundant number, since it is smaller than the sum of its proper divisors (53403558).

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

50166618 is a wasteful number, since it uses less digits than its factorization.

50166618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269749.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 50166618 is about 7082.8396847592. The cubic root of 50166618 is about 368.8119134574.

The spelling of 50166618 in words is "fifty million, one hundred sixty-six thousand, six hundred eighteen".