30615621216268 has 48 divisors (see below), whose sum is σ = 59809019364864. Its totient is φ = 13592159259840.

The previous prime is 30615621216239. The next prime is 30615621216281. The reversal of 30615621216268 is 86261212651603.

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, 69494946 + ... + 69934102.

It is an arithmetic number, because the mean of its divisors is an integer number (1246021236768).

Almost surely, 2^{30615621216268} is an apocalyptic number.

It is an amenable number.

30615621216268 is a deficient number, since it is larger than the sum of its proper divisors (29193398148596).

30615621216268 is a wasteful number, since it uses less digits than its factorization.

30615621216268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476062 (or 476060 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 30615621216268 in words is "thirty trillion, six hundred fifteen billion, six hundred twenty-one million, two hundred sixteen thousand, two hundred sixty-eight".