146391833378 has 16 divisors (see below), whose sum is σ = 254134106880. Its totient is φ = 61945187616.

The previous prime is 146391833351. The next prime is 146391833411. The reversal of 146391833378 is 873338193641.

It is a super-2 number, since 2×146391833378² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66179651 + ... + 66181862.

It is an arithmetic number, because the mean of its divisors is an integer number (15883381680).

Almost surely, 2^146391833378 is an apocalyptic number.

146391833378 is a deficient number, since it is larger than the sum of its proper divisors (107742273502).

146391833378 is a wasteful number, since it uses less digits than its factorization.

146391833378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132361601.

The product of its digits is 7838208, while the sum is 56.

The spelling of 146391833378 in words is "one hundred forty-six billion, three hundred ninety-one million, eight hundred thirty-three thousand, three hundred seventy-eight".