50166660 has 96 divisors (see below), whose sum is σ = 150232320. Its totient is φ = 12464128.

The previous prime is 50166653. The next prime is 50166679. The reversal of 50166660 is 6666105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139561 + ... + 139919.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^50166660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50166660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75116160).

50166660 is an abundant number, since it is smaller than the sum of its proper divisors (100065660).

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

50166660 is a wasteful number, since it uses less digits than its factorization.

50166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 50166660 is about 7082.8426496711. The cubic root of 50166660 is about 368.8120163817.

It can be divided in two parts, 501 and 66660, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 50166660 in words is "fifty million, one hundred sixty-six thousand, six hundred sixty".