58121916 has 24 divisors (see below), whose sum is σ = 140295120. Its totient is φ = 18705792.

The previous prime is 58121911. The next prime is 58121927. The reversal of 58121916 is 61912185.

It is a super-2 number, since 2×58121916² = 6756314239022112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58121911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83161 + ... + 83856.

It is an arithmetic number, because the mean of its divisors is an integer number (5845630).

Almost surely, 2^58121916 is an apocalyptic number.

It is an amenable number.

58121916 is an abundant number, since it is smaller than the sum of its proper divisors (82173204).

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

58121916 is a wasteful number, since it uses less digits than its factorization.

58121916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167053 (or 167051 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 58121916 is about 7623.7730816178. The cubic root of 58121916 is about 387.3586936733.

The spelling of 58121916 in words is "fifty-eight million, one hundred twenty-one thousand, nine hundred sixteen".