146221535658 has 64 divisors (see below), whose sum is σ = 321237290880. Its totient is φ = 44003884800.

The previous prime is 146221535653. The next prime is 146221535659. The reversal of 146221535658 is 856535122641.

It is not an unprimeable number, because it can be changed into a prime (146221535653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5615028 + ... + 5641008.

It is an arithmetic number, because the mean of its divisors is an integer number (5019332670).

Almost surely, 2^146221535658 is an apocalyptic number.

146221535658 is an abundant number, since it is smaller than the sum of its proper divisors (175015755222).

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

146221535658 is a wasteful number, since it uses less digits than its factorization.

146221535658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26583.

The product of its digits is 1728000, while the sum is 48.

The spelling of 146221535658 in words is "one hundred forty-six billion, two hundred twenty-one million, five hundred thirty-five thousand, six hundred fifty-eight".