146069218638 has 36 divisors (see below), whose sum is σ = 368154053280. Its totient is φ = 41734062216.

The previous prime is 146069218591. The next prime is 146069218651. The reversal of 146069218638 is 836812960641.

146069218638 is a `hidden beast` number, since 1 + 4 + 606 + 9 + 21 + 8 + 6 + 3 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82804798 + ... + 82806561.

It is an arithmetic number, because the mean of its divisors is an integer number (10226501480).

Almost surely, 2^146069218638 is an apocalyptic number.

146069218638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146069218638 is an abundant number, since it is smaller than the sum of its proper divisors (222084834642).

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

146069218638 is a wasteful number, since it uses less digits than its factorization.

146069218638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165611381 (or 165611371 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 146069218638 in words is "one hundred forty-six billion, sixty-nine million, two hundred eighteen thousand, six hundred thirty-eight".