30415164 has 48 divisors (see below), whose sum is σ = 76839840. Its totient is φ = 9308160.

The previous prime is 30415141. The next prime is 30415169. The reversal of 30415164 is 46151403.

It is a super-2 number, since 2×30415164² = 1850164402293792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30415169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37192 + ... + 38000.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^30415164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30415164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38419920).

30415164 is an abundant number, since it is smaller than the sum of its proper divisors (46424676).

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

30415164 is a wasteful number, since it uses less digits than its factorization.

30415164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30415164 is about 5514.9944696255. The cubic root of 30415164 is about 312.1500346773.

Adding to 30415164 its reverse (46151403), we get a palindrome (76566567).

The spelling of 30415164 in words is "thirty million, four hundred fifteen thousand, one hundred sixty-four".