30619641966 has 32 divisors (see below), whose sum is σ = 63669580800. Its totient is φ = 9806235840.

The previous prime is 30619641959. The next prime is 30619641977. The reversal of 30619641966 is 66914691603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566311 + ... + 618018.

It is an arithmetic number, because the mean of its divisors is an integer number (1989674400).

Almost surely, 2^30619641966 is an apocalyptic number.

30619641966 is an abundant number, since it is smaller than the sum of its proper divisors (33049938834).

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

30619641966 is a wasteful number, since it uses less digits than its factorization.

30619641966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184504.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 30619641966 in words is "thirty billion, six hundred nineteen million, six hundred forty-one thousand, nine hundred sixty-six".