59161816 has 48 divisors (see below), whose sum is σ = 132559200. Its totient is φ = 24663744.

The previous prime is 59161813. The next prime is 59161829. The reversal of 59161816 is 61816195.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59161813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12465 + ... + 16543.

It is an arithmetic number, because the mean of its divisors is an integer number (2761650).

Almost surely, 2^59161816 is an apocalyptic number.

59161816 is a gapful number since it is divisible by the number (56) 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 59161816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66279600).

59161816 is an abundant number, since it is smaller than the sum of its proper divisors (73397384).

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

59161816 is a wasteful number, since it uses less digits than its factorization.

59161816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4125 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 59161816 is about 7691.6718598755. The cubic root of 59161816 is about 389.6552201609.

The spelling of 59161816 in words is "fifty-nine million, one hundred sixty-one thousand, eight hundred sixteen".