30253453164 has 144 divisors (see below), whose sum is σ = 91183712256. Its totient is φ = 8350041600.

The previous prime is 30253453151. The next prime is 30253453183. The reversal of 30253453164 is 46135435203.

30253453164 is a `hidden beast` number, since 30 + 2 + 5 + 34 + 531 + 64 = 666.

It is a super-2 number, since 2×30253453164² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 136209 + ... + 281175.

It is an arithmetic number, because the mean of its divisors is an integer number (633220224).

Almost surely, 2^30253453164 is an apocalyptic number.

30253453164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30253453164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45591856128).

30253453164 is an abundant number, since it is smaller than the sum of its proper divisors (60930259092).

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

30253453164 is a wasteful number, since it uses less digits than its factorization.

30253453164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145036 (or 145031 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 30253453164 its reverse (46135435203), we get a palindrome (76388888367).

The spelling of 30253453164 in words is "thirty billion, two hundred fifty-three million, four hundred fifty-three thousand, one hundred sixty-four".