30164720454 has 96 divisors (see below), whose sum is σ = 76281903360. Its totient is φ = 8517700800.

The previous prime is 30164720447. The next prime is 30164720507. The reversal of 30164720454 is 45402746103.

30164720454 is a `hidden beast` number, since 3 + 0 + 1 + 647 + 2 + 0 + 4 + 5 + 4 = 666.

It is a super-2 number, since 2×30164720454² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163759 + ... + 295205.

It is an arithmetic number, because the mean of its divisors is an integer number (794603160).

Almost surely, 2^30164720454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30164720454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38140951680).

30164720454 is an abundant number, since it is smaller than the sum of its proper divisors (46117182906).

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

30164720454 is a wasteful number, since it uses less digits than its factorization.

30164720454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131546 (or 131543 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 30164720454 in words is "thirty billion, one hundred sixty-four million, seven hundred twenty thousand, four hundred fifty-four".