18821160358 has 64 divisors (see below), whose sum is σ = 37959570432. Its totient is φ = 6759204480.

The previous prime is 18821160307. The next prime is 18821160373. The reversal of 18821160358 is 85306112881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1481160 + ... + 1493812.

It is an arithmetic number, because the mean of its divisors is an integer number (593118288).

Almost surely, 2^18821160358 is an apocalyptic number.

18821160358 is an abundant number, since it is smaller than the sum of its proper divisors (19138410074).

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

18821160358 is a wasteful number, since it uses less digits than its factorization.

18821160358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429.

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 18821160358 in words is "eighteen billion, eight hundred twenty-one million, one hundred sixty thousand, three hundred fifty-eight".