30162042666 has 48 divisors (see below), whose sum is σ = 74700782208. Its totient is φ = 8616132000.

The previous prime is 30162042661. The next prime is 30162042667. The reversal of 30162042666 is 66624026103.

It is a self number, because there is not a number n which added to its sum of digits gives 30162042666.

It is not an unprimeable number, because it can be changed into a prime (30162042661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774931 + ... + 812921.

It is an arithmetic number, because the mean of its divisors is an integer number (1556266296).

Almost surely, 2^30162042666 is an apocalyptic number.

30162042666 is an abundant number, since it is smaller than the sum of its proper divisors (44538739542).

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

30162042666 is a wasteful number, since it uses less digits than its factorization.

30162042666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44307 (or 44304 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 30162042666 its reverse (66624026103), we get a palindrome (96786068769).

The spelling of 30162042666 in words is "thirty billion, one hundred sixty-two million, forty-two thousand, six hundred sixty-six".