30665261052064 has 48 divisors (see below), whose sum is σ = 61211311761600. Its totient is φ = 15120766448640.

The previous prime is 30665261052053. The next prime is 30665261052079. The reversal of 30665261052064 is 46025016256603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18508114 + ... + 20096785.

It is an arithmetic number, because the mean of its divisors is an integer number (1275235661700).

Almost surely, 2^{30665261052064} is an apocalyptic number.

It is an amenable number.

30665261052064 is a deficient number, since it is larger than the sum of its proper divisors (30546050709536).

30665261052064 is a wasteful number, since it uses less digits than its factorization.

30665261052064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38605253 (or 38605245 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 30665261052064 in words is "thirty trillion, six hundred sixty-five billion, two hundred sixty-one million, fifty-two thousand, sixty-four".