30616162221 has 16 divisors (see below), whose sum is σ = 42977318400. Its totient is φ = 19333253808.

The previous prime is 30616162217. The next prime is 30616162231. The reversal of 30616162221 is 12226161603.

It is not a de Polignac number, because 30616162221 - 2² = 30616162217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30616162231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320230 + ... + 404696.

It is an arithmetic number, because the mean of its divisors is an integer number (2686082400).

Almost surely, 2^30616162221 is an apocalyptic number.

It is an amenable number.

30616162221 is a deficient number, since it is larger than the sum of its proper divisors (12361156179).

30616162221 is a wasteful number, since it uses less digits than its factorization.

30616162221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90848.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 30616162221 in words is "thirty billion, six hundred sixteen million, one hundred sixty-two thousand, two hundred twenty-one".